Dell PP24L manuale d’uso

www .dell.com | support.dell.com Dell™ Latitude™ D630/D630c User’ s Guide Model PP24L[...]

Notes, Notices, and Cautions NOTE: A NOTE indicates important info rmation that helps you make better use of your computer . NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. CAUTION: A CAUTION indicates a potential for pro perty dama ge, personal injury , or death. If you purchas[...]

Contents 3 Contents 1 Finding Information 2 About Y our Computer Front View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Left Side View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 Right Side View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Back View . . . . . . . . . . . . [...]

4 Contents Power Management Modes . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Standby and Sleep Mode . . . . . . . . . . . . . . . . . . . . . . . . . 36 Hibernate Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 Configuring Power Management Se ttings . . . . . . . . . . . . . . . . . . . 37 Accessing Power Options Prope[...]

Contents 5 7 Setting Up and Using Networks Connecting a Network or Broadband Modem Cable . . . . . . . . . . . . . . 51 Setting Up a Network in the Microsoft ® Windows ® XP Operating Sy stem . . . 52 Setting Up a Network in th e Microsoft Windows Vista ® Opera ting Sy stem . . . 52 Wireless Local Area Network . . . . . . . . . . . . . . . . . . [...]

6 Contents 9 Using Cards Card T ypes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 PC Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 ExpressCards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Smart Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Card Blanks[...]

Contents 7 Floppy Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 CDs and DVDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 11 T roubleshooting Diagnostic Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 Diagnostic Light Codes Du ring POST . . . . . . . . . . . . . . . . . . . 81 Dell?[...]

8 Contents Other software problems . . . . . . . . . . . . . . . . . . . . . . . . . 96 Memory Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 Network Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 Wireless Local Area Netw[...]

Contents 9 14 Reinstalling Software Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 What Is a Driver? . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 Identifying Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . 115 Reinstalling Drivers and Utilities . . . . . . . . . . . . . . . . . . . . 1[...]

10 Contents 16 Dell™ QuickSet 17 T raveling With Y our Computer Identifying Y our Computer . . . . . . . . . . . . . . . . . . . . . . . . . . 149 Packing the Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149 T ravel T i ps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150 T raveling by Air . . . . . . . .[...]

Finding Information 11 1 Finding Information NOTE: Some features or media may be optional and may not ship with your computer . Some features or media may not be available in certain countries. NOTE: Additional information may ship with your computer . What Are Y ou Looking For? Find It Here • A diagnosti c program for my computer • Drivers for[...]

12 Findin g Inform ation www .dell.com | support.dell. com • How to set up my computer • Basic troubleshootin g informatio n • How to run the Dell Diagnostic s • How to open my computer Quick Reference Guide NOTE: This document may be optional and may not ship with your computer . NOTE: This document is avail able as a PDF at support.dell.c[...]

Finding Information 13 • So lutions — T rouble shooting hints and tips, arti cles from technician s, and online courses, frequently asked questions • Communi ty — Online di scussion with other Dell custome rs • Upgrades — Upgrade informat ion for components, such as memory , the har d drive, and the operating sy stem • Cust omer Care [...]

14 Findin g Inform ation www .dell.com | support.dell. com • I nformati on on ne twork activi ty , the P ower Management W izar d, hotk eys, and other items con trolled by Dell QuickSet . Dell QuickSet Help To v i e w Dell QuickSet Help , right-click the QuickSet icon in the Microsoft ® W indows ® taskbar . F or more information on Dell QuickSe[...]

About Y our Computer 17 1 About Y our Computer Front V iew 1 5 2 10 6 11 4 12 3 8 13 9 7[...]

18 About Y our Computer www .dell.com | support.dell. com DEVICE STATU S LIGHTS 1 display latch 2 display 3 power button 4 device st atus ligh ts 5 key bo ard 6 touch pad 7 fingerprint reader (optional) 8 touch pad buttons/track stick buttons 9 track stick 10 key bo ard st a tu s li gh ts 11 volume control buttons 12 ambient lig ht senso r 13 mute [...]

About Y our Computer 19 If the computer is co nnected to an electric al out let, the light oper ates as follows: – Solid green: The battery is charging. – Flashing green: The battery is almost fully char ged. – Off: The battery is adequately charged (or e xternal power is not available to charge the battery). If the compute r is run ning on a[...]

20 About Y our Computer www .dell.com | support.dell. com KEYBOARD STATUS LIGHTS The gr een lights located abo ve the keyb oard indicate the following: POWER BUTTON — P ress the powe r button to turn on the computer or to enter or e xit a power management mode. NOTICE: T o avoid losing data, shut down your comp uter instead of pressing the power [...]

About Y our Computer 21 Left Side V iew AIR VENTS — The computer uses an inte rnal fan to cre ate airflow through the vents, w hich prevents th e computer from overheating. CAUTION: Do not block, push objects into, or allow dust to accumulate in the air vents. Do not store your Dell computer in a low-airflow environment, s uch as a closed briefca[...]

22 About Y our Computer www .dell.com | support.dell. com SMART CARD SLOT ( WITH BLANK )— Supports one smart card. Smart car ds provide a variety of functions, including security featur es and data storage. The blank prevents foreign matter from en tering the interior of the computer when a smart card is not installed in the smart card slot. F or[...]

About Y our Computer 23 PC C ARD SLOT — Supports one PC Card, such as a modem or network adapter . The computer ships with a blank installed in the slot to pr event foreign ma tter from entering the computer interior when a car d is not installed (see "Card T ypes" on page 67). NOTE: Y our computer does not have an ExpressCard slot. T o[...]

24 About Y our Computer www .dell.com | support.dell. com Back V iew CAUTION: Do not block, push objects into, or allow dust to accu mulate in the air vents. Do not store your computer in a low-airflow envir onment, such as a closed br ie fcase, while it is running. Restricting the airflow can damage the computer or cause a fire. NETWORK CONNECTOR [...]

About Y our Computer 25 SERIAL CONNECTOR VIDEO CONNECTOR AC ADAPTER CONNECTOR Th e AC ad a pt e r co n ve r t s AC po w er to the DC power required by the computer . Y o u can connect the AC adapter with your computer turn ed either on or off. CAUTION: The AC adapter works with electrical outlets worldwide. However , power connectors and power stri[...]

26 About Y our Computer www .dell.com | support.dell. com AIR VENTS — The computer uses an inte rnal fan to cr eate airflow through the vents, w hich prevents th e computer from overheating. CAUTION: Do not block, push objects into, or allow dust to accu mulate in the air vents. Do not store your computer in a low-airflow envir onment, such as a [...]

About Y our Computer 27 DEVICE LOCKING SCREW — If pr esent, locks devices, such as an optical drive, in place. DOCKING - DEVICE CONNECTOR — Lets you attach your computer to a docking device. See the Dell documentation that came with your docking device for mor e information.[...]

28 About Y our Computer www .dell.com | support.dell. com MEMORY MODULE COVER — Covers the compartment that contains the second memory module connector (DIMM B) (see "Memory" on page 129). AIR VENTS — The computer uses an internal fan to create airflow through the fan air vent s, which prevents the computer from overheatin g.[...]

T ransferring Information to a New Computer 29 1 T ransferring Information to a New Computer Y ou can us e your operating system w izards to help you transfer files and other data from one computer another . F or instructions, see the followin g section that corresponds to the opera ting system your computer is run ning. Microsoft ® Windows ® XP [...]

30 T ransferring Information to a New Computer www .dell.com | support.dell. com 2 When the F iles an d Settings T ransfer Wizard welcome screen appears, click Next . 3 On the Which computer is this? screen, click New Computer and click Next . 4 On the Do you have a Windows XP CD? screen, click I will use the wizard from the Win d o ws X P C D and [...]

T ransferring Information to a New Computer 31 5 Insert the removable media, such as a writable CD, and click OK . 6 When the disk creati on completes and the Now go to your old computer message appears, do not click Next . 7 Go to the old computer . T o copy data from the old computer: 1 On the old computer , insert the wizard disk. 2 Click the St[...]

32 T ransferring Information to a New Computer www .dell.com | support.dell. com 3 Connect the Easy T ransfer Cable to the source computer . Y ou are prompted to select a device option. 4 Continue until you are prompted to plug the ot her end of the Easy T ransfer Cable into the destination computer . The screen indicates that a connection has been[...]

Using a Battery 33 1 Using a Battery Battery Performance NOTE: For information about the Dell warranty for your computer , see the Product Information Guide or separate paper warranty document that shipped with your computer . F or optimal computer performance and to help preserve BIOS settings, operate your Dell™ portable computer with the main [...]

34 Using a Battery www .dell.com | support.dell. com CAUTION: Using an incompatible battery may increase t he risk of fire or explosion. Replace the battery only with a compatible battery purchased from Dell. The battery is designed to work with your Dell computer . Do not use a battery from other computers with your computer . CAUTION: Do not disp[...]

Using a Battery 35 Check the Battery Charge T o check the battery charge, press and re lease the status button on the battery char ge gauge to illuminate the charge-level ligh ts. Each light repr esents approx imately 20 percent of the total battery charge. F or example, if the battery has 80 pe rcent of its char ge remain ing, four of the lights a[...]

36 Using a Battery www .dell.com | support.dell. com NOTE: See "Configuring Power Management Settings " on pag e 37 for information on conserving battery power . Power Management Modes Standby and Sleep Mod e Standby mode (sleep mode in Microsoft W indow s Vista®) conserves power by tu rning off the display and the hard drive after a pre[...]

Using a Battery 37 Depending on how you set the powe r management options in the P ower Options Properties window or the QuickSet P ower Manageme nt W izar d, you may also use one of the following methods to enter hibernate mode: • P re ss the power button. • Close the display . • P re ss <Fn><F1>. NOTE: Some PC Cards may not o pe[...]

38 Using a Battery www .dell.com | support.dell. com The battery is too hot to start charging if th e light flashes alternately gr een and orange. Disconnect the computer from the electrical outlet and allow the computer and the battery to cool to room temperature. Then connect the computer to an electrical outlet to continue charging the battery .[...]

Using a Battery 39 Storing a Battery Remove the battery when you store your computer for an extended period of time. A battery discharges during prolonged storage. Afte r a long storage period, recharge the battery fully (see "Charging the Battery" on page 37) before you use it. Battery Errors T o address error codes generated by the batt[...]

40 Using a Battery www .dell.com | support.dell. com[...]

Using the Keyboard 41 1 Using the Keyboard Numeric Keypad The numeric keypad functions lik e the numeric keypad on an e xternal keyboar d. Each key on the keypad has multiple functions. The k eypad numbers and symbols are mark ed in blue on the right of the keypad keys. T o type a number or symb ol, hold down <Fn> and press the desired key . [...]

42 Using the Keyboard www .dell.com | support.dell. com Key Combinations Sy st em Functions Battery Display Functions Power Managemen t Microsoft ® Windows ® Logo Key Functions <Ctrl><Shift><Esc > Opens the Ta s k M a n a g e r window . <Fn><F 3> Displays the Dell™ QuickS et Battery Meter (see "Dell™ QuickSe[...]

Using the Keyboard 43 T o adjust keyboar d operation, such as the char acter repeat rate, open the Control P anel, click P rinters and Other Hardware , and click Key b o a r d . F or information about the Control P anel, access the Help and Support Center (click Start → Help and Support ). T ouch Pad The touch pad detects the pressure and movemen[...]

44 Using the Keyboard www .dell.com | support.dell. com • T o select and move (or drag) an object, position the cursor on the object and tap twice on the touch pad. On the second tap, leave your finger on th e touch pad and move the s elected object by sliding your finger over the surface. • T o double-click an object, positi on the cursor on t[...]

Using the Keyboard 45 1 P ull the cap off the track stick. 2 Align the new cap over th e square track stick post and gently press the cap down onto the post. NOTICE: The track stick can damage the display if it is not properly seated on the post. 3 T est the track stick to ensur e th at the cap is seated properly .[...]

46 Using the Keyboard www .dell.com | support.dell. com[...]

Using the Display 47 1 Using the Display Adjusting Brightness When a Dell™ computer is running on battery power , you can conserve powe r by setting the brightness to the lowest comfortable setting by pressing <Fn> and the up- or down-arrow key on the keyboar d. NOTE: Brightness key combinations only affect the display on your portable comp[...]

48 Using the Display www .dell.com | support.dell. com The ambient light sen sor is disabled when your computer is shipped to you. If you enable the ambient light sensor and then use any of the di splay br ightness key combinations, the ambient light sensor is disa bled and the displ ay brightness is increased or decreased accordingly . NOTE: The a[...]

Using the Display 49 Setting Display Resolution and Refresh Rate T o display a program at a specific r esolution, both the graphics card and the display must support the program, and the necessary vi deo drivers must be installed. Before you change any of the default display setting s, make a note of the default settings for future ref e ren c e. N[...]

50 Using the Display www .dell.com | support.dell. com 5 Click the monitor 2 icon, click the Extend my Windows desk top onto this mo nitor check box, and then click Apply . 6 Change Screen resolution to the appropriate sizes for both displays and cli ck Apply . 7 If prompted to restart the computer , click Apply the new color setting without restar[...]

Setting Up and Using Networks 51 Setting Up and Using Networks Setting up a computer network provides connectivity between your computer and the Internet, another computer , or a network. F or example, with a network set u p in a home or small off ice you can print to a shared printer , acce ss drives and files on another co mputer , browse other n[...]

52 Setting Up and Using Networks www .dell.com | support.dell. com Setting Up a Network in the Microsoft ® Windows ® XP Operating Sy stem 1 Click Start → All P rograms → Accessories → Communications → Network Setup W izard → Next → Checklist for creating a network . NOTE: Selecting the connection method labeled This computer connects [...]

Setting Up and Using Networks 53 Checking Y our Wireless Network Card Depending on what you selected when you purchased your computer , the computer has a variety of configurations. T o conf irm that your computer has a wireless network card and to determine the type of card, use one of the following: •T h e Start button and the Connect T o optio[...]

54 Setting Up and Using Networks www .dell.com | support.dell. com 5 Disconnect your broadband modem powe r cable from the electrical outlet. 6 Disconnect the network cable from the computer and the modem. 7 Disconnect the AC adapter cable from your wirele ss router to ensure that ther e is no power connected to the router . NOTE: Wait for a minimu[...]

Setting Up and Using Networks 55 Y our wireless network card requir es specific software and drivers for connecting to a network. The so f tw a re i s al re ad y in s ta l le d . NOTE: If the software is removed or corrupted, follow the instructions in the user documentation for your wireless network card. V erify the type of wirele ss network card[...]

56 Setting Up and Using Networks www .dell.com | support.dell. com Thereafter , whenever you log on to your computer within the range of the wireless network that you selected, the same pop-up notifies yo u of the wir eless network connection. NOTE: If you select a secure network, you must enter a WEP or WP A key when prompted. Network security set[...]

Setting Up and Using Networks 57 and Support Center (click Start → Help and Su pport ) or on the media that accompanied your card if you purchased it sep arately from your computer . Checking Y our Dell Mob ile Broadband Card Depending on what you selected when you purchased your computer , the computer has a variety of configurations. T o determ[...]

58 Setting Up and Using Networks www .dell.com | support.dell. com Enabling/Disabling the Dell™ Mobile Broadband Card NOTE: If you are unable to connect to a Mobile Br oadband network, ensure that you have all the components for establishing a Mobile Broadband connecti on (see "What Y ou Need to Establish a Mobile Broadband Network Connectio[...]

Setting Up and Using Networks 59 Because the W i-F i Catcher Network Locator is di sable d and not configured for use when your computer is shipped to you, you must first use Dell QuickSet to en able and configure the switch to control W iF i network connections. NOTE: The Dell Wi-Fi Catcher Network Locator ligh t appears only when the computer is [...]

60 Setting Up and Using Networks www .dell.com | support.dell. com[...]

Using Multimedia 61 1 Using Multimedia Playing Media NOTICE: Do not press down on the media tray when yo u open or close it. Keep the tray closed when yo u are not using the drive. NOTICE: Do not move the computer while playing media. 1 P ress the eject button on the front of the drive. 2 P ull out the tray . 3 Place the disc, label side up, in the[...]

62 Using Multimedia www .dell.com | support.dell. com NOTE: If you use a module that shipped with another computer , you need to install the drivers and software necessary to play DVDs or write data. For more information, see the Drivers and Utilities media (the Drivers and Utilities media is optional and may not be available for your computer or i[...]

Using Multimedia 63 Copying Media NOTE: Ensure that you observe all copyri ght laws when creating media. This section applies only to computers that have a CD-R W , D VD+/-RW , or CD-RW/D VD (combo) drive. NOTE: The types of media drives offer ed by Dell may vary by country . The following instruction s explain how to mak e a copy using Rox io Crea[...]

64 Using Multimedia www .dell.com | support.dell. com Use blank CD-Rs to record music or permanentl y stor e data files. After the maximum storage capacity of a CD-R is reached, you cannot write to that CD-R again (see the Sonic documentation for more information). Use blank CD-RWs if you plan to erase, rewrite, or update information on the CD late[...]

Using Multimedia 65 • Commercially available DVD players used in home theater systems may not support all available DVD formats. F o r a list of form ats supported by your DVD player , see the documentation provided with your DVD player or contact the manufacturer . • Do not burn a blank CD-R or CD-RW to its maximum capacity ; for e xample, do [...]

66 Using Multimedia www .dell.com | support.dell. com Adjusting the Picture If an error message notifies you that the curren t r esolution and color depth ar e using too much memory and preventing D VD playback , adjust the display properties. Microsoft® Windows® XP Operating Sy stem 1 Click Start → Control P anel → Appearance and Themes . 2 [...]

Using Cards 67 1 Using Cards NOTE: Electrical and electronic de vices are sensitiv e to electrostatic discharge (ESD). If a substantial ESD occurs, the device may reset and the device software may attempt to reinitialize a c onnection. If the software is not operation al after an ESD occurrence, restart the modem software prog ram. Card T ypes PC C[...]

68 Using Cards www .dell.com | support.dell. com Extended Cards An extended PC Car d (for example, a wireless network adapter) is longer than a standard PC Car d and extends outside the computer . F ollow these precautions when using extended PC Cards: • P rotect the exposed end of an installed card. Striking the end of the card can damage the sy[...]

Using Cards 69 The computer recognizes most PC Car ds and automa tically loads the app ropriate device driver . If the configuration program tells you to load the manu facturer's drivers, use the floppy disk or CD that came with the PC Card. ExpressCards 1 Place the ExpressCard in the adapter (the ad apter is included with the ExpressCard). 2 [...]

70 Using Cards www .dell.com | support.dell. com[...]

Securing Y our Computer 71 1 Securing Y our Computer Security Cable Lock NOTE: Y our computer does not ship with a security cable lock. A security cable lock is a commercially available an titheft device. T o use the lock, attach it to the security cable slot on your Dell™ computer . F or more information, see the instructions included with the d[...]

72 Securing Y our Computer www .dell.com | support.dell. com About Smart Cards Smart cards ar e portable credit-card shaped devices with internal integrated circuits. The top surface of the smart card usually contains an embedded processor under the gold contact pad. The combination of the small size and integrated circui ts make smart car ds valua[...]

Securing Y our Computer 73 Passwords P asswords prevent unauthorized access to your computer . When using passwords, observe the following guidelines: • Choose a password that yo u can r emember , but not one that is easy to guess. F or example, do not use the names of family members or pets for passwords. • It is recommended that you do not wr[...]

74 Securing Y our Computer www .dell.com | support.dell. com About Passwords NOTE: Passwords are disabled when you receive your computer . A primary (or system) password, an administrator p assword, and a hard drive password all prevent unauthorized access to your comp uter in different ways. Th e following tabl e identifie s types and features of [...]

Securing Y our Computer 75 NOTICE: If you disable the administ rator password, the primar y password is also disabled. T o add or change passwords, access User Accounts from the Control P anel . If you have assigned an administrator password, you can use it i nstead of the primary passw ord. The computer does not specifically prompt you for the adm[...]

76 Securing Y our Computer www .dell.com | support.dell. com If you do not enter the correct passwor d in three attempts, the computer tries to start from another bootable device if the Boot F irst Device option in system setup is set to allow start-up fr om another device. If the Boot F irst Device option is not set to allow the computer to start [...]

Securing Y our Computer 77 NOTE: Y ou only need to activate the program once. d Once the process is complete, the computer either restarts automatically or prompts you to restart your computer . Security Management Software The security management software is designed to ut ili ze four different featur es to help you secur e your computer: • Log-[...]

78 Securing Y our Computer www .dell.com | support.dell. com NOTE: Computer tracking software may not be available in certain countries. NOTE: If you have computer tracking software and your comput er is lost or stolen, you must contact the company that provides t he tracking service to r eport the missing computer . If Y our Computer Is Lost or St[...]

79 Cleaning Y our Computer CAUTION: Before you begin any of the procedures in this s ection, follow the safety instructions in the Product Information Guide . Computer , Keyboard, and Display CAUTION: Before you clean your computer , disconnect the computer from t he electrical outlet and remove any installed batteries. Clea n your computer with a [...]

80 www .dell.com | support.dell. com 2 T urn the retainer ring on the underside of yo ur mouse counterclockwise, and then remove the ball. 3 W ipe the ball with a clean, lint-free cloth. 4 Blow carefully into the ball cag e or use a can of compressed air to dislod ge dust and lint. 5 If the rollers inside the ball cage are dirty , clea n the roller[...]

T roubleshooting 81 1 T roubleshooting Diagnostic Lights CAUTION: Before you begin any of the procedures in this s ection, follow the safe ty instructions that shipped with your computer . Y our computer has three keyboard status lights located above the keyboard. During normal operation, the keyboard status lights display the current status ( on o[...]

82 T roubleshooting www .dell.com | support.dell. com Light Pattern Problem Description Suggested Resolution No memory modules are detected. • If two o r more memor y modu les are installed, r emove the modules, then reinstall one m odule and r estart the computer . If the computer starts normally , c ontinue to inst all addit ional memory mo dul[...]

T roubleshooting 83 Dell™ T echnical Update Service The Dell T echnical Update service provides proactive e-mail notification of softwar e and hardwar e updates for your computer . The service is free and can be customized for content, format, and how frequently you receive notifications. T o enroll for the Del l T echnical Update s ervice, go to[...]

84 T roubleshooting www .dell.com | support.dell. com NOTICE: The Dell Diagnostics works only on Dell™ computers. NOTE: The Drivers and Utilities media is optional and may not ship with your computer . Enter the System Setup Program (see "System Setup P rogram" on page 111), review your computer ’s configuration information, and ensur[...]

T roubleshooting 85 Starting the Dell Diagnostics from the Drivers and Utilities Media 1 Insert the Drivers and Utilities media. 2 Shut down and restart the computer . When the DELL logo appear s, press <F12> immediately . NOTE: If you wait too long and the operating sy stem logo appears, continue to wait until you see the Microsoft ® Window[...]

86 T roubleshooting www .dell.com | support.dell. com If you cannot resolve the error condition, contact Dell (s ee "Obtaining Assis tance" on page 159). NOTE: The Service T ag for your computer is located at the top of each test screen. If you contact Dell, technical support will ask for your Service T ag. 3 If you run a test from the Cu[...]

T roubleshooting 87 2 Click Dell Support and point to Dell Support Settings . 3 Ensure that the Show icon on the taskbar option is checked. NOTE: If the Dell Support Utility is not available from the Start menu, go to support.dell.com and download the software. The Dell Support Utility is customiz ed for your computing environment. The Dell Support[...]

88 T roubleshooting www .dell.com | support.dell. com C LEAN THE DRIVE OR DISK . E NSURE THAT THE CD IS SNAPPED ONTO THE SPINDLE . C HECK THE CABLE CONN ECTIONS . C HECK FOR HARDWARE INCOMPATIBILITI ES . R UN THE D ELL D IAGNOSTICS — See "Dell Diagnostics" on page 83. Media drive problems NOTE: High-speed media drive vibrat ion is norma[...]

T roubleshooting 89 3 Click P roperties . 4 Click the T ools tab. 5 Under Error -checking , click Check Now . 6 Click Scan for and attempt recovery of bad sectors . 7 Click Start . E-Mail, Modem, and Internet Problems F ill out the Diagnostics Checklist (see "Diagnostics Check list " on pag e 16 3) as you complete these checks. CAUTION: B[...]

90 T roubleshooting www .dell.com | support.dell. com 4 Click the Modems tab. 5 Click the COM port for your modem. 6 Click P roperties , click the Diagnostics tab, and then click Query Modem to verify that the modem is communicating with W indows. If all commands re ceive resp onses, the modem is operating properly . E NSURE THAT YOU ARE CONNECTED [...]

T roubleshooting 91 D RIVE NOT READY — The operation requir es a har d drive in the bay before it can continue. Install a hard drive in the hard drive bay (see "Drive P roblems" on page 87). E RROR READING PCMCIA CARD — The computer cannot identify the PC Card. Reinsert the card or try another PC Card (see "Installing a PC Card o[...]

92 T roubleshooting www .dell.com | support.dell. com I NVALI D CONFIGURATION INFORMATION - PLEASE RUN S Y STEM S ETU P P ROGRAM — The system configuration information does not match the hardwar e configurat ion. The message is most likely to occur after a memory module is instal led. Correct the appropriate options in the system setup program (s[...]

T roubleshooting 93 N OT ENOUGH MEMORY OR RESOURCES . E XIT SOME PROGRAMS AND TRY AGAIN — Y ou have too many programs open. Close all windows and open the progr am that you want to use . O PERATING SY STEM NOT FOUND — Reinstall the hard drive (see "Drive P roblems" on page 87). If the problem persists, contact De ll (see "Obtaini[...]

94 T roubleshooting www .dell.com | support.dell. com W ARNING : B ATTERY IS CRITICALLY LOW — The battery is running out of charge. Replace the battery , or connect the computer to an electrical outlet. Othe rwise, activate hibernate mode or shut down the computer . IEEE 1394 Device Problems F ill out the Diagnostics Checklist (see "Diagnost[...]

T roubleshooting 95 3 F rom the W indows de sktop, click the Start button, point to Pr o g r am s , point to Accessories , and click Notepad . 4 T ype some characters on the external keyboard and verify that they appear on the display . If you cannot verify these steps, you may have a defective external keyboard. T O VERIFY THAT THE PROBLEM IS WITH[...]

96 T roubleshooting www .dell.com | support.dell. com A program stops responding or crashes repeatedly NOTE: Software usually includes installation instructions in its documentation or on a floppy disk or CD. E ND THE PROGRAM — 1 P ress <Ctrl><Shift><Esc> simultaneously . 2 Click Ta s k M a n a g e r . 3 Click the program that i[...]

T roubleshooting 97 THROUGH THE Start MENU . S CAN THE COMPUTER FOR SPYWAR E — If you are ex periencing slow computer p erformance, you frequently receive pop-up advertisements, or you ar e having problems connecting to the Internet, your computer might be infected with spyware. Use an anti-virus prog ram that includes anti-spyware protection (yo[...]

98 T roubleshooting www .dell.com | support.dell. com General C HECK THE NETWORK CABLE CONNECTOR — Ensure that the network cable is firmly inserted into both the network connector on the back of th e computer and the network connector . C HECK THE NETWORK LIGHTS ON THE NETWORK CONNECTOR — No light indicates that no network communication exists.[...]

T roubleshooting 99 • No service – The Dell Mobile Broa dband Card Utility did not locate a Mob ile Broadband network. Ensure that the signal strength is adequate. Restart the Dell wireless utility or contact your Mobile Broadband network provider . • Check your Mobile Broadband Network Service – Contact your Mobile Broadband network servic[...]

100 T roubleshooting www .dell.com | support.dell. com NOTE: Battery operating time (the time the battery can hold a charge) decreases over time. Depending on how often the battery is used and the conditions under which it is used, you may need to purchase a new battery during the life of your computer . C HECK THE BATTERY STATUS LIGHT — If the b[...]

T roubleshooting 101 AC Power Loss While the Computer Is Docked If a computer loses AC power whil e docked to the Dell D/Dock or Dell D/P ort, the computer immediately goes into low-performance mode. Printer Problems F ill out the Diagnostics Checklist (see "Diagnostics Check list " on pag e 16 3) as you complete these checks. CAUTION: Be[...]

102 T roubleshooting www .dell.com | support.dell. com R ESTART THE COMPUTER AND TRY THE SCANNER AGAIN . C HECK THE CABLE CONNECTIONS — • See the scanner documentation fo r cable connection information. • Ensure that the scanner cables are securely connected to the scanne r and the computer . V ERIFY THAT THE SCANNER IS RECOGNIZED BY M ICRO S[...]

T roubleshooting 103 R UN THE D ELL D IAGNOSTICS — See "Dell Diagnostics" on page 83. NOTE: The volume control in some MP3 players overri des the Windows volume setting. If you have been listening to MP3 songs, ensure that you di d not turn the player volume down or off. No sound from headp hones C HECK THE HEADPHONE CABLE CONNECTION ?[...]

104 T roubleshooting www .dell.com | support.dell. com V ideo and Display Problems F ill out the Diagnostics Checklist (see "Diagnostics Checklist" on page 163) as you complete these checks. CAUTION: Before you begin any of the proc edures in this s ection, follow the safety instructions in the Product Information Guide . If the display i[...]

T roubleshooting 105 R UN THE V IDEO DIAGNOSTICS TESTS — If no error message appears and you still h ave a display problem, but the display is not comp letely blank, run the Vi d e o device group in the Dell Diagnostics. If the problem persists, contact De ll (see "Obtaining Assistance" on page 159). S EE "E RROR M ESSAGES "?[...]

106 T roubleshooting www .dell.com | support.dell. com[...]

Intel ® Active Management T echnology 107 1 Intel ® Active Management T echnology NOTE: iAMT is available for Dell™ Latitude™ D630c computers with iAMT capability only . Intel Active Management T echnology (iAMT), part of Intel Cen trino ® P ro T echnology , is intended to deliver more secure systems management capabi lities that reduce IT c[...]

108 Intel ® Active Management T echnology www .dell.com | support.dell. com Out-of-Band Management Out-of -Band term refers to the ability to manage the computer in the absence of an operating system or with the operating system in an unusabl e state, or with the computer turned off. The only requir ement for managing such a computer is the iAMT c[...]

Intel ® Active Management T echnology 109 USB Provisioning iAMT can be provisioned u sing a USB key and Dell Client Manager . The USB key must: • Be formatted using the F A T16 file system with no system files • Contain only the setup.bin file NOTE: The USB key should not be bootable. T o provision iAMT using a USB key , insert the USB key int[...]

110 Intel ® Active Management T echnology www .dell.com | support.dell. com[...]

Sy stem Setup Program 111 1 Sy stem Setup Program Overview NOTE: Y our operating sy stem may automatically configure most of the options available in the sy stem setup program, thus overriding op tions that you set through the sy stem setup program. (An exception is the External Hot Key option, which you can disable or enable on ly through the sy s[...]

112 Sy stem Setup Program www .dell.com | support.dell. com Sy stem Setup Screens NOTE: For information about a specific item on a sy stem setup screen, highlight the item and see the Help area on the screen. On each screen, the system setup options are listed at the left. T o the ri ght of each option is the setting or value for that option. Y ou [...]

Sy stem Setup Program 113 Boot sequence changes take effe ct as soon as you sa ve the changes and exit the system setup program. Performing a One-T ime Boot Y ou can set a one-time-only boot sequence withou t entering the system setup program. (Y ou can also use this proce dure to boot the Dell Diagnostics on th e diagnostics utility par tition on [...]

114 Sy stem Setup Program www .dell.com | support.dell. com[...]

Reinstalling Software 115 1 Reinstalling Software Drivers What Is a Driver? A driver is a program that controls a device such as a printer , mouse, or keyboard. All devices requir e a driver program. A driver acts like a translator between the device and any other programs th at use the device. Each device has its own set of specialized commands th[...]

116 Reinstalling Software www .dell.com | support.dell. com NOTE: The User Account Control window may appear . If you are an administrator on the computer , click Continue ; otherwise, contact your adm inistrator to continue. Scroll down the list to see if any device has an ex clamation point (a yellow circle with a " ! ") on the device i[...]

Reinstalling Software 117 2 Right-click the device fo r which the new driver was installe d and click P roperties . 3 Click the Drivers tab → Rol l B a ck Dr iv e r . Microsoft Windows Vista 1 Click the W i ndows Vista start button , , and right-click Computer . 2 Click P roperties → Device Manager . NOTE: The User Account Control window may ap[...]

118 Reinstalling Software www .dell.com | support.dell. com If instructed to navigate to the driver files, click the media directory on the driver information window to display the files associated with that driver . Manually Reinstalling Drivers After extracting the driver files to your hard drive as described in the previous section, r einstall t[...]

Reinstalling Software 119 Using the Hardware T roubleshooter T ool If a device is either not detected during the oper ating system setup or is detected but incorrectly configured, you can use the Hardwar e T roubles hooter to r esolve the incompatibility . Microsoft Windows XP 1 Click Start → Help and Support . 2 Ty p e hardware troubleshooter in[...]

120 Reinstalling Software www .dell.com | support.dell. com NOTE: The procedures in this document were written fo r the Windows default view , so they may not apply if you set your Dell™ comput er to the Windows Classic view . Starting Sy stem Restore NOTICE: Before you restore the computer to an earlier operating state, save and close any open f[...]

Reinstalling Software 121 If you reinstall W indows XP with less than 200 MB of free hard-disk space available, System Restore is automatically disabled. T o see if System Restore is enabled: 1 Click Start → Control Pa n e l → P erformance and Maintenance → System . 2 Click the System Restore tab and ensure that T urn off System Restore is un[...]

122 Reinstalling Software www .dell.com | support.dell. com NOTE: The next steps change the boot sequence for one time only . On the next start-up, the computer boots according to the devices s pecified in the sy stem setup program. 5 When the boot device list appears, highlight CD/D VD/CD-RW Drive and press <Enter>. 6 Pre s s a ny k e y t o [...]

Adding and Replacing Parts 123 1 Adding and Replacing Parts Before Y ou Begin This chapter provides procedures for removing and installing the components in your computer . Unless otherwise noted, each procedure a ssumes that the following conditions e xist: • Y ou have performed the steps in "T urning Off Y our Computer" on page 123 an[...]

124 Adding and Replacing Parts www .dell.com | support.dell. com Before Working Inside Y our Computer Use the following safety guidelines to help prot ect your computer from potential damage and to help ensure your own personal safety . CAUTION: Before you begin any of the procedures in this s ection, follow the safety instr uctions in the Product [...]

Adding and Replacing Parts 125 Hinge Cover CAUTION: Before you begin any of the procedures in this s ection, follow the safety instructions in the Product Information Guide . NOTICE: T o avoid electrostatic discharge, ground yourse lf by using a wrist grounding strap or by periodically touching an unpainted metal surface (such as a con nector on th[...]

126 Adding and Replacing Parts www .dell.com | support.dell. com Keyboard CAUTION: Before performing the following procedures, fo llow the safety inst ructions in your Product Information Guide . NOTICE: T o avoid electrostatic discharge, ground yourse lf by using a wrist grounding strap or by periodically touching an unpainted metal surface (such [...]

Adding and Replacing Parts 127 6 P ull up on th e pull-tab to discon nec t the k e yboard cable connecto r from the keyboard connector on the system boar d. NOTE: When you replace the keyboard, ens ure that the keyboard tabs ar e completely in place to avoid scratching the palm rest. Internal Card With Bluetooth ® Wireless T echnology CAUTION: Bef[...]

128 Adding and Replacing Parts www .dell.com | support.dell. com 4 While grasping the card cable with one ha nd, use a plastic s cribe to gently pry th e card out from underneath the metal tab with the other hand . 5 Lift the card from the compartment, ensuring that you do not pull on the card cable with ex cessive force. 6 Disconnect the card from[...]

Adding and Replacing Parts 129 4 Remove the battery connector from the connector on the system board. 5 Being careful not to br eak the plastic, slightly raise the corner of the mylar above the battery . 6 While holding the mylar , grasp the battery and pull out of the battery compartment. 7 T o replace the coin-cell battery , plac e the battery in[...]

130 Adding and Replacing Parts www .dell.com | support.dell. com NOTICE: If you remove your original memory modules from the computer during a memory upgrade, keep them separate from any new modules that y ou may have, even if you purchased the new modules from Dell. If possible, do not pair an original memory module with a new memory module. Other[...]

Adding and Replacing Parts 131 5 Ground yourself and install the new memory module: NOTE: If the memory module is not installed properly , the computer may not boot properly . No error message indicates this failure. a Align the notch in the modu le connecto r with the tab in the connector slot. b Slide the module firmly into the slot at a 45-degre[...]

132 Adding and Replacing Parts www .dell.com | support.dell. com T o add or replace a memory mo dule in the DIMM B connector: NOTICE: If you need to install memory modules in tw o connectors, install a memory module in the connector labeled “DIMMA” before you install a module in the connector labeled “DIMMB.” Insert memory modules at a 45-d[...]

Adding and Replacing Parts 133 NOTICE: Insert memory modules at a 45-degr ee angle to avoid damaging the connector . 4 Ground yourself and install the new memory module: NOTE: If the memory module is not installed properly , the computer may not boot properly . No error message indicates this failure. a Align the notch in the modu le edge connec to[...]

134 Adding and Replacing Parts www .dell.com | support.dell. com 6 Insert the battery into the battery bay , or co nnect the AC adapter to your computer and an electrical outlet. 7 T urn on the computer . As the computer boots, it detects the addition al memory and automatically updates the system configuration information. T o confirm the amount o[...]

Adding and Replacing Parts 135 NOTICE: T o prevent damage to the connector , do not use tools to spread the securing clips. 4 If a WLAN card is not already installed, go to step 5. If you are r eplacing a WLAN card, remove the e xisting card: a Disconnect the WLAN card from any attached cables. b Use your fingertips to ca refully spr ead apart the [...]

136 Adding and Replacing Parts www .dell.com | support.dell. com b Align the WLAN card with the connector at a 45-degree angle, and pr ess the card into the connector until you feel a click. NOTICE: T o avoid damaging the WLAN card, never place cables on top of or under the card. NOTE: Y our WLAN card may have two or three connectors, depending on [...]

Adding and Replacing Parts 137 Mobile Broadband Card NOTE: Mobile Broadband cards may not be available in all regions. If you order ed a Mobile Broadband card with your computer , the ca rd is already installed. CAUTION: Before you begin any of the procedures in this s ection, follow the safety instructions in the Product Information Guide . 1 F ol[...]

138 Adding and Replacing Parts www .dell.com | support.dell. com b Use your fingertips to ca refully spr ead apart the metal securing tabs until the card pops up slightly . c Slide an d lift the Mobile Broad band card out of its connector . NOTICE: The connectors are keyed to ensure correct in sertion. If you feel resistance, check the connectors a[...]

Adding and Replacing Parts 139 NOTICE: T o avoid damaging the Mobile Broadband card, never place cables on top of or under the card and ensure that you route the cables properly . NOTE: For more specific information about whi ch cable to connect to which connector , see the documentation that came with your Mobile Broadband card. c Connect the whit[...]

140 Adding and Replacing Parts www .dell.com | support.dell. com Subscriber Identity Module (SIM) Card CAUTION: Before you begin any of the proc edures in this s ection, follow the safety instructions in the Product Information Guide . NOTE: Only Cingular and V odafone need a SIM card. V erizon, Sprint, and T elus do not use a SIM. 1 Remove the bat[...]

Adding and Replacing Parts 141 Hard Drive CAUTION: If you remove the hard drive from the computer when the drive is hot, do not touch the metal housing of the hard drive. CAUTION: Before working inside your computer , fo llow the safety instructions in the Product Information Guide . NOTICE: T o prevent data loss, turn off your computer before remo[...]

142 Adding and Replacing Parts www .dell.com | support.dell. com NOTICE: Use firm and even pressure to slide the drive into place. If you use ex cessive force, you may damage the connector . 6 Attach the bezel to the new drive with the screw . 7 Slide the hard drive into the bay until it is fully seated. 8 Replace and tighten the screws. 9 Use the [...]

Adding and Replacing Parts 143 4 P ull the device out of the media bay . 5 T o replace the media bay device, push the new de vice into the bay until it clicks into place. 6 Replace the device secur ity screw if removed in step 1 . FCM (Flash Cache Module) The FCM, or Flash Cache Module, is an internal flash drive that helps improve the performance [...]

144 Adding and Replacing Parts www .dell.com | support.dell. com 5 Slide the antenna cables out of the protective sleeve and away from the top of the FCM card. 6 Release the ca rd by pushing the metal securing brackets away from the card until the car d pops up slightly . 7 Lift the card out of its connector . 1 FCM card 2 antennae cables (2) 3 met[...]

Adding and Replacing Parts 145 NOTICE: When installing this card, ensure the two antenna cables are not under the card. The antenna cables are designed to lay across the top of the FCM card and into the protectiv e sleeve. Installing the card on top of these antenna cables may cause damage to your computer . Also, do not install the FCM card in the[...]

146 Adding and Replacing Parts www .dell.com | support.dell. com[...]

Dell™ QuickSet 147 1 Dell™ QuickSet NOTE: This feature may not be available on your computer . Dell™ QuickSet provides you with easy access to configure or view the following types of settings: • Network connectivity • P ower management •D i s p l a y • System information Depending on what you w ant to do in De ll™ QuickSet, you can[...]

148 Dell™ QuickSet www .dell.com | support.dell. com[...]

T raveling With Y our Computer 149 1 T raveling With Y our Computer Identifying Y our Computer • Attach a name tag or business card to the computer . • W rite down your Service T a g and store it in a safe place away from the computer or carrying case. Use the Service T ag if you need to report a loss or theft to law enforcement officials and t[...]

150 T raveling With Y our Computer www .dell.com | support.dell. com • P ack the computer so that it does not slide around in the trunk of you r car or in an overhead storage compartment. T ravel T ips NOTICE: Do not move the computer wh ile using the optical drive to prevent loss of data. NOTICE: Do not check the computer as baggage. • Conside[...]

Specifications 151 1 Specifications NOTE: Offerings may vary by region. Fo r more information regarding the configuration of your computer , click Start → Help and Support and select the option to view info rmation about your computer . Processor Pr o c e s s o r ty p e I n t e l ® Core ™ 2 Duo L1 cache 32 KB per ins truction, 32 KB data cac h[...]

152 Specifications www .dell.com | support.dell. com PC Card connector one (supports one T y pe I or T ype II card and one 34-mm Expr essCard w ith adapter) NOTE: Y ou must use an adapter with the 34-mm ExpressCard before you insert the card into the PC Card connector . Cards supported PC Card: 3.3 V and 5 V 1.5- V ExpressCar ds (with adapter) PC C[...]

Specifications 153 Aud io microphone con nector , stereo headphon e/speak ers connector Mini-Card two T ype IIIA Mini-Card slots Modem RJ-11 p ort Network adapter RJ-45 port USB four 4-pin USB 2.0-com pliant connectors Vid eo 15-hole connec tor IEEE 1394 4-pin mini-con nector (unpowered) D-Dock standard D-Dock co nnector for devi ces such as D-Dock[...]

154 Specifications www .dell.com | support.dell. com Audio Audio type two-channel high defin ition audi o (Azalia) Audio controller IDT ST AC9205 C odec Stereo c onversion 24-bit (a nalog-to-digital and digital-to- analog) Interfaces: Internal high definition audio (Azalia) codec External microphone-i n connector , ste reo headphones/speak ers conn[...]

Specifications 155 Keyboard Numb er of k eys 87 (U.S . and C anada) ; 88 (Euro pe); 91 (Japan) Layout QWER TY/AZER TY/Kanji T ouch Pad X/Y position resolution (graphics table mode) 240 cpi Size: W idth 7 3.0-mm (2. 9-inch) sensor-active area Height 42.9-m m (1.7-inch) r ectangle T rack Stick X/Y position resolution (graphics table mode) 250 count/s[...]

156 Specifications www .dell.com | support.dell. com Charge time (app roxima te) : Computer off for standard 6-cell battery : approximately 1 hou r to 80% capacity approximately 2 hou rs to 100% capacity Operating time Battery operatin g time var ies dependi ng on operating cond itions and can be signi ficantly reduced under cert ain power-intensi [...]

Specifications 157 Fingerprint Reader (optional) T ype UPEK TCS3 T ouchStrip™ strip sensor with CMOS acti ve capacitive pix el-sensing technology Phy sical Height 32.3 m m (1.27 in ches) W idth 337 mm (13.3 in ches) Depth 238 mm (9.3 inches ) W eight (with 6-ce ll battery and C D drive) 2.27 kg (5 lb) Environmental T emper ature range: Operat ing[...]

158 Specifications www .dell.com | support.dell. com[...]

Getting Help 159 1 Getting Help Obtaining Assistance If you experience a problem with your computer , you can complete the following steps to diagnose and troubleshoot the problem: 1 See "T roubleshooting" on page 81 for information and procedures that pertain to the problem your computer is experiencing. 2 See "Dell Diagnostics"[...]

160 Getting Help www .dell.com | support.dell. com DellConnect DellConnect is a simple online access tool that al lows a Dell service and support associate to access your computer through a broadband conn ection, diagnose your problem and repair it all under your supervision. F or more information, go to support.dell.com and click DellConnect . Onl[...]

Getting Help 161 AutoT ech Service Dell's automated support service—AutoT ech—provi des recorded answers to the questions most frequently ask ed by Dell cus tomers about their portable and desktop computers. When you call AutoT e ch, use your touch-tone teleph one to select the subjects that correspond to your questions. F o r the telephon[...]

162 Getting Help www .dell.com | support.dell. com Y ou a re r esponsible for payin g shipping expenses. Y ou are also responsible for insurin g any product returned, and you assume the risk of loss during shipment to Dell. Collect On Delivery (C. O .D.) packages are not accepted. Returns that are missing any of the pr eceding requir ements will be[...]

Getting Help 163 Diagnostics Checklist Name: Date: Address: Phone number : Service T ag (bar code on the ba ck or bottom of the computer): Express Service Code: Return M aterial A utho rization N umber (i f provi ded by Dell su pport te chnician ): Operating sy stem and version : Devices: Expansion car ds: Are you connected to a network? Y es No Ne[...]

164 Getting Help www .dell.com | support.dell. com Contacting Dell F or customers in the United States, call 800- WWW -DELL (800-999-3355). NOTE: If you do not have an active Internet connectio n, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Dell provides several online and telephone-based [...]

Appendix 165 1 Appendix FCC Notice (U.S. Only) FCC Class B This equipment generates, uses, and can radiate ra dio f requency ener gy and, if not install ed and used in accordance with the manufactur er ’s instru ction manual, may cause interference with radio and television reception. This equipment has been te sted and found to comply with the l[...]

166 Appendix www .dell.com | support.dell. com • Model number: PP24L • Company name: Dell Inc. W orldwide Regulatory Complian ce & Environmental Affairs One Dell W ay Round Rock, TX 78682 USA 512-338-4400 NOTE: For further regulatory information, see your Product Information Guide . Macrovision Product Notice This product incorporates copyr[...]

Glossary 167 Glossary T erms in this Glossary are provided for informational purposes only and may or may not describe features included with your particular computer . A AC — alternating curren t — The form of electricity that powers your computer when you plug the AC adapter power cable in to an electri cal outlet. ACPI — advanced configura[...]

168 Glossary www .dell.com | support.dell. com is the freezing point and 100° is the boiling point of water . cache — A special high-speed storage mechanism which can be either a reserved section of main memory or an independent high-speed storage device. The cache enhances the efficiency of many processor operations. L1 cache — Primary cache [...]

Glossary 169 network, enterpri se, and Internet env ironments. domain — A group of computers, programs, and devices on a network that are admi nistered as a unit with common rules and procedures for use by a spec ific group of users. A user logs on to the do main to gain access to the resources. DRAM — dynamic random-acces s memory — Memory t[...]

170 Glossary www .dell.com | support.dell. com agency responsible for enfo rcing communications-related regulations that state how mu ch radiation computers and other electronic equ ipment can emit. fingerprin t reader — A strip sensor that uses your unique fingerprint to authenticate your us er identity to help secure your computer . folder — [...]

Glossary 171 specific device (such as a serial connect or , parallel connector , or expans ion slot) and allows the processor to communicate with that device. IRQ — interrupt request — An electronic pathway a ssigned to a specifi c device so that the device can communicate with the processor . Each device c onnection must be assigned an IRQ. Al[...]

172 Glossary www .dell.com | support.dell. com functionally equivalent to a standard PCI expansion card. Mini-Card — A small card desi gned for integrated peripherals, such as communication NICs. The Mini-Card is functionally equivalent to a standard PCI expansion card. modem — A device that allows your computer to communicate with other com pu[...]

Glossary 173 drives, and video. If no probl ems are detected dur ing POST , the computer continues the start-up. processor — A computer chip th at interprets and exec ute s program instructions . Sometimes the processor is referred to as the CP U (central processing unit). PS/2 — personal system/2 — A type of connector for attaching a PS/2-co[...]

174 Glossary www .dell.com | support.dell. com devices such as a handheld digi tal device or digital camera to your computer . Service T ag — A bar code label on your computer that identifies your computer when you access Dell Support at support.dell.com or when you call Dell for customer service or technical support. setup program — A program [...]

Glossary 175 U UAC — user account control— Microsoft W indows V ista® security featu re that, whe n en abled, provides an added layer of security between user ac counts and access to operating system settings. UMA — unified memory allo cation — Sy stem memory dynamically allocated to video. UPS — uninterruptible power supply — A backup[...]

176 Glossary www .dell.com | support.dell. com WLAN — wireless local area network. A series of interconnected computers that communicate with each other over the air waves usin g access points or wireless routers to provide Internet access. write-protected — Files or media that cannot be changed. Use write-protection when you want to protect da[...]