Lenovo 842 manual

ThinkCentre User Guide Machine T ypes: 0806, 0810, 0821, 0823, 0827, 0829, 0832, 0835, 0842, 0844, 0846, 0848, 0851, and 4089[...]

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T hinkC e n tr e Us er G u id e[...]

Note Before using this information and the pr oduct it supports, be sure to read and understand the ThinkCentre Safety and Warranty Guide and “Notices,” on page 69. First Edition (August 2010) © Copyright Lenovo 2010. LENOVO products, data, computer softwar e, and services have been developed exclusively at private expense and are sold to gove[...]

Contents Important safety information ...... v Chapter 1. Product overview ...... 1 Features ................ 1 Specifications .............. 4 Software overview ............ 4 Software pr ovided with your W indows operating system ............... 4 Locations ............... 7 Locating connectors, controls, and indicators on the front of your compu[...]

T rademarks .............. 7 0 Index ............... 7 1 iv User Guide[...]

Important safety information CAUTION: Before using this manual, be sure to read and understand all the related safety information for this product. Refer to the ThinkCentre Safety and W arranty Guide that you received with this product for the latest safety information. Reading and understanding this safety information reduces the risk of personal [...]

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Chapter 1. Product overview This chapter provides information about the computer featur es, specifications, preinstalled softwar e programs, and locations of connectors, components, parts on the system board, and internal drives. This chapter contains the following topics: v “Features”: This section pr ovides information about the computer feat[...]

v Peripheral Component Interconnect (PCI) Expr ess x16 graphics card slot on the system board for a discr ete graphics card Audio subsystem v Integrated high-definition (HD) audio v Headphone connector and microphone connector on the fr ont panel v Audio line-in connector , audio line-out connector , and microphone connector on the rear panel Conne[...]

Power supply Y our computer comes with one of the following power supplies: v 280-watt auto-sensing power supply v 280-watt power supply with a manual voltage-selection switch v 320-watt auto-sensing power supply Security features v A power-on password and an administrator passwor d to deter unauthorized use of your computer v Computrace v Cover pr[...]

Specifications This section lists the physical specifications for your computer . Dimensions W idth: 160 mm (6.3 inches) Height: 388 mm (15.28 inches) Depth: 422 mm (16.61 inches) W eight Maximum configuration as shipped: 9.4 kg (20.72 lbs) Environment Air temperature: Operating: 10° to 35°C (50° to 95°F) Non-operating: -40° to 60°C (-40° to[...]

Lenovo ThinkV antage T ools: The Lenovo ThinkV antage ® T ools program guides you to a host of information sources and pr ovides easy access to various tools to help you work more easily and secur ely . For more information, see “Lenovo ThinkV antage T ools” on page 63. Note: The Lenovo ThinkV antage T ools program is only available on compute[...]

drivers, BIOS updates, and other third party applications). Some examples of software that you should keep updated ar e programs provided by Lenovo, such as the Rescue and Recovery program and the ThinkV antage Productivity Center program. Fingerprint Software: The integrated fingerprint reader provided on some keyboards works with the Fingerprint [...]

Locations This section provides information to help you locate your computer connectors, components, parts on the system board, and internal drives. Locating connectors, controls, and indicators on the front of your computer Figure 1 shows the locations of the connectors, controls, and indicators on the front of your computer . 1 Hard disk dr[...]

Locating connectors and parts on the rear of your computer Figure 2 shows the locations of the connectors and parts on the rear of your computer . Some connectors on the rear of your computer ar e color-coded to help you determine where to connect the cables on your computer . 1 V oltage-selection switch (available on some models) 8 Aud[...]

Connector Description Audio line-in connector Used to receive audio signals fr om an external audio device, such as a stereo system. When you attach an external audio device, a cable is connected between the audio line-out connector of the device and the audio line-in connector of the computer . Audio line-out connector Used to send audio signals f[...]

Locating components Figure 3 shows the locations of the various components in your computer . T o remove the computer cover and gain access to the inside of the computer , see “Removing the computer cover” on page 14. 1 Heat sink and fan assembly 5 System board 2 Memory modules (2) 6 Rear fan assembly 3 Front bezel[...]

Locating parts on the system board Figure 4 shows the locations of the parts on the system board. 1 Micropr ocessor 12 Front panel connector 2 Micropr ocessor fan connector 13 USB connectors (2) 3 Memory slots (2) 14 Serial (COM 2) connector 4 Thermal sensor connector 15 Front audio connector 5 [...]

Figure 5 shows the locations of the drive bays in your computer . 1 Bay 1 - Optical drive bay (with an optical drive installed) 2 Bay 2 - Slim card r eader drive bay 3 Bay 3 - Primary SA T A hard disk drive bay (with a 3.5-inch SA T A hard disk drive installed) 4 Bay 4 - Secondary SA T A hard disk drive bay Figure 5. Drive b[...]

Chapter 2. Installing or replacing hardware This chapter provides instr uctions on how to install or replace hardwar e for your computer . This chapter contains the following topics: v “Handling static-sensitive devices” v “Installing or replacing har dware” v “Obtaining device drivers” on page 38 v “Basic security features” on page[...]

Installing external options Y ou can install external options to your computer , such as external speakers, a printer , or a scanner . For some external options, you must install additional software in addition to making the physical connection. When you install an external option, see “Locating connectors, controls, and indicators on the fr ont [...]

5. Remove the two screws that secur e the computer cover and slide the computer cover to the rear to r emove it. Removing and reinstalling the front bezel Attention Do not open your computer or attempt any repair befor e reading and understanding the “Important safety information” in the ThinkCentre Safety and W arranty Guide that came with you[...]

3. Remove the front bezel by r eleasing the three plastic tabs on the left side and pivoting the front bezel outwar d. 4. T o reinstall the front bezel, align the other thr ee plastic tabs on the right side of the front bezel with the corr esponding holes in the chassis, then pivot the front bezel inward until it snaps into position on the left sid[...]

Installing or replacing a PCI card Attention Do not open your computer or attempt any repair befor e reading and understanding the “Important safety information” in the ThinkCentre Safety and W arranty Guide that came with your computer . T o obtain a copy of the ThinkCentre Safety and Warranty Guide ,g ot o : http://www .lenovo.com/support Thi[...]

4. Do one of the following: v If you are r eplacing a PCI card, open the PCI card latch and r emove the old PCI card that is curr ently installed as shown in Figure 10. Note: If the PCI card is secur ed in place by a retaining latch 1 , press the retaining latch to r elease the PCI card from the latch. Then, grasp the PCI card by the edges an[...]

6. Install the new PCI card into the appr opriate PCI card slot on the system board. Then, pivot the PCI car d latch to the closed position to secure the PCI cards. 7. Reinstall the screw to secur e the PCI card latch in place. What to do next: v T o work with another piece of hardware, go to the appr opriate section. v T o complete the installatio[...]

T o install or replace a memory module, do the following: 1. Remove all media from the drives and turn of f all attached devices and the computer . Then, disconnect all power cords fr om electrical outlets and disconnect all cables that are connected to the computer . 2. Remove the computer cover . See “Removing the computer cover” on page 14. [...]

7. Position the new memory module over the memory slot. Make sure that the notch 1 on the new memory module is aligned with the key 2 in the memory slot. Then, press the new memory module straight down into the memory slot until the retaining clips close and the new memory module snaps into position. 8. Reinstall any parts and reconnect[...]

T o replace the battery , do the following: 1. Remove all media from the drives and turn of f all attached devices and the computer . Then, disconnect all power cords fr om electrical outlets and disconnect all cables that are connected to the computer . 2. Remove the computer cover . See “Removing the computer cover” on page 14. 3. Locate the [...]

Replacing the power supply assembly Attention Do not open your computer or attempt any repair befor e reading and understanding the “Important safety information” in the ThinkCentre Safety and W arranty Guide that came with your computer . T o obtain a copy of the ThinkCentre Safety and Warranty Guide ,g ot o : http://www .lenovo.com/support Th[...]

4. Lay the computer on its side and remove the four scr ews that secure the power supply assembly . Then, slide the power supply assembly to the front of the chassis. 5. Pivot the power supply assembly as shown and then lift the power supply assembly to remove it fr om the chassis. 6. Make sure that the new power supply assembly is the corr ect rep[...]

v If the voltage supply range in your local country or region is 200–240 V ac, set the voltage-selection switch to 230 V . 7. Install the new power supply assembly into the chassis so that the screw holes in the new power supply assembly are aligned with the corr esponding holes in the rear of the chassis. 8. Install the four screws to secur e th[...]

7. Follow this sequence to remove the four scr ews that secure the heat sink and fan assembly to the system board: a. Partially remove scr ew 1 , then fully remove screw 2 , and then fully remove scr ew 1 . b. Partially remove scr ew 3 , then fully remove screw 4 , and then fully remove scr ew 3 . Note: Carefully[...]

11 . Connect the new heat sink and fan assembly cable to the microprocessor fan connector on the system board. See “Locating parts on the system boar d” on page 1 1. 12. Reconnect any cables that have been removed. What to do next: v T o work with another piece of hardware, go to the appr opriate section. v T o complete the replacement, go to ?[...]

7. Lift the small handle 3 and open the retainer 1 to access the micropr ocessor 2 . 8. Lift the micropr ocessor straight up and out of the microprocessor socket, as shown in Figure 21 on page 29. Notes: a. Y our microprocessor and socket might look dif ferent from the one illustrated. b. Note the orientation of the micropr ocesso[...]

d. Do not drop anything onto the micr oprocessor socket while it is exposed. The socket pins must be kept as clean as possible. 9. Make sure that the small handle is in the raised position. 10. Remove the new micropr ocessor 1 from the protective cover 2 that protects the gold contacts of the new micr oprocessor . 11 . Hold the new micr[...]

What to do next: v T o work with another piece of hardware, go to the appr opriate section. v T o complete the replacement, go to “Completing the parts replacement” on page 37. Replacing the optical drive Attention Do not open your computer or attempt any repair befor e reading and understanding the “Important safety information” in the Thi[...]

bay . Then, install the three scr ews to secure the new optical drive in place. 7. Connect one end of the signal cable to the rear of the new optical drive and the other end to an available SA T A connector on the system boar d. See “Locating parts on the system board” on page 1 1. Then, locate an available five-wire power connector and connect[...]

This section provides instr uctions on how to replace the hard disk drive. T o replace the hard disk drive, do the following: 1. Remove all media from the drives and turn of f all attached devices and the computer . Then, disconnect all power cords fr om electrical outlets and disconnect all cables that are connected to the computer . 2. Remove the[...]

6. Slide the new hard disk drive into the har d disk drive bay and align the screw holes in the new hard disk drive with the corr esponding holes in the drive bay . Then, install the four screws to secur e the new hard disk drive in place. 7. Connect one end of the signal cable to the rear of the new har d disk drive and the other end to an availab[...]

Replacing the front audio and USB assembly Attention Do not open your computer or attempt any repair befor e reading and understanding the “Important safety information” in the ThinkCentre Safety and W arranty Guide that came with your computer . T o obtain a copy of the ThinkCentre Safety and Warranty Guide ,g ot o : http://www .lenovo.com/sup[...]

10. Reinstall the front bezel. See “Removing and r einstalling the front bezel” on page 15. What to do next: v T o work with another piece of hardware, go to the appr opriate section. v T o complete the replacement, go to “Completing the parts replacement” on page 37. Replacing the rear fan assembly Attention Do not open your computer or at[...]

6. Remove the rear fan assembly out of the chassis. 7. Install the new rear fan assembly by aligning the r ubber mounts of the rear fan assembly with the holes on the chassis and push the rubber mounts through the holes. 8. Pull on the tips of the rubber mounts until the r ear fan assembly is in place. 9. Connect the rear fan assembly cable to the [...]

3. Connect the cable of the new USB keyboard or mouse to one of the USB connectors on the computer . Depending on where you want to connect the new USB keyboard or mouse, see “Locating connectors, contr ols, and indicators on the front of your computer” on page 7 or “Locating connectors and parts on the rear of your computer” on page 8. Wha[...]

4. Position the computer cover on the chassis so that the rail guides on the bottom of the computer cover engage the rails. Then, slide the computer cover to the front of the computer until it snaps into position and is closed. Then, install the two screws to secur e the computer cover . 5. Lock the computer cover if you have a computer cover lock.[...]

Integrated cable lock An integrated cable lock, sometimes referr ed to as the Kensington lock, can be used to secure your computer to a desk, table, or other non-permanent fixtur e. The cable lock attaches to a security slot at the rear of your computer and is operated with a key . The cable lock also locks the computer cover . See Figure 33. This [...]

Padlock Y our computer is equipped with a padlock loop so that the computer cover cannot be removed when a padlock is installed. Password protection T o deter unauthorized use of your computer , you can use the Setup Utility program to set a passwor d. When you turn on your computer , you are prompted to type the password. The computer cannot be us[...]

6. Reinstall any parts and reconnect any cables that have been r emoved or disconnected. 7. Reinstall the computer cover and reconnect the power cor ds for the computer and monitor . See “Completing the parts replacement” on page 37. 8. T urn on the computer and leave it on for approximately 10 seconds. Then, turn off the computer by holding th[...]

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Chapter 3. Recovery information This chapter provides information about the r ecovery solutions provided by Lenovo. This chapter contains the following topics: v “Creating and using r ecovery media” v “Performing backup and recovery operations” on page 45 v “Using the Rescue and Recovery workspace” on page 46 v “Creating and using a r[...]

v T o create Product Recovery discs on the W indows V ista operating system, click Start → All Programs → ThinkV antage → Create Product Recovery Media . Then, follow the instructions on the scr een. v T o create Product Recovery discs on the W indows XP operating system, click Start → All Programs → ThinkV antage → Create Recovery Medi[...]

3. Select the optical drive with the boot disc as the startup device and press Enter . After a short delay , the Rescue and Recovery workspace opens. 4. On the Rescue and Recovery menu, click Restore your system . 5. Follow the instructions on the scr een. Insert the appropriate Product Recovery disc when prompted. Performing backup and recovery op[...]

1. From the W indows desktop, click Start → All Programs → Lenovo ThinkV antage T ools → Enhanced Backup and Restore . The Rescue and Recovery program opens. 2. In the Rescue and Recovery main window , click the Launch advanced Rescue and Recovery arrow . 3. Click the Restore your system from a backup icon. 4. Follow the instructions on the s[...]

Attention: If you restor e the hard disk drive from a Rescue and Recovery backup or restor e the hard disk drive to the factory default settings, all files on the primary hard disk drive partition (usually drive C:) will be deleted in the r ecovery process. If possible, make copies of important files. If you ar e unable to start the W indows operat[...]

v T o create a rescue medium on the W indows 7 operating system, do the following: 1. From the W indows desktop, click Start → All Programs → Lenovo ThinkV antage T ools → Enhanced Backup and Restore . The Rescue and Recovery program opens. 2. In the Rescue and Recovery main window , click the Launch advanced Rescue and Recovery arrow . 3. Cl[...]

disk drive by yourself. If you want to install a secondary hard disk drive, see “Replacing the hard disk drive” on page 31. When the rescue medium starts, the Rescue and Recovery workspace opens. The help information for each feature is available fr om the Rescue and Recovery workspace. Follow the instructions to complete the r ecovery process.[...]

recovery media, you might not have the r escue device (an internal hard disk drive, a disc, a USB hard disk drive, or other external devices) set as the first boot device in the startup device sequence. Y ou must first make sure that your rescue device is set as the first boot device in the startup device sequence in the Setup Utility program. See [...]

Chapter 4. Using the Setup Utility program Y ou can use the Setup Utility program to view and change the configuration settings of your computer , regar dless of which operating system you are using. However , the operating system settings might override any similar settings in the Setup Utility program. This chapter provides information about the [...]

Password considerations A password can be any combination of up to 16 (1 to 16) alphabetic and numeric characters. For security reasons, it is r ecommended to use a strong password that cannot be easily compromised. T o set a strong passwor d, use the following guidelines: Note: The Setup Utility program passwor ds are not case sensitive. v Have at[...]

Enabling or disabling a device This section provides instr uctions on how to enable or disable user access to a device. SA T A Controller When this option is set to Disabled , all devices connected to the SA T A connectors (such as the hard disk drive and the optical drive) are disabled and will not be displayed in the system configuration. USB Set[...]

Note: Selecting a startup device on the Startup Device Menu does not permanently change the startup device sequence. V iewing or changing the startup device sequence This section provides instr uctions on how to view or permanently change the configured startup device sequence. T o view or permanently change the configured startup device sequence, [...]

Chapter 5. Updating system programs This chapter provides information about updating the POST and BIOS, and how to recover fr om a POST and BIOS update failure. This chapter contains the following topics: v “Using system programs” v “Updating (flashing) the BIOS from a disc” v “Updating (flashing) the BIOS from your operating system” on[...]

4. When prompted to change the serial number , it is suggested that you do not make this change by pressing N. However , if you do want to change the serial number , press Y , then type in the serial number and press Enter . 5. When prompted to change the machine type and model, it is suggested that you do not make this change by pressing N. Howeve[...]

8. T urn on the computer and then insert the POST and BIOS update (flash update) disc into the optical drive. The recovery session begins. The r ecovery session will take two to three minutes. During this time, you will hear a series of beeps. 9. After the recovery session is completed, ther e will be no video, the series of beeps will end, and the[...]

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Chapter 6. T roubleshooting and diagnostic programs This chapter provides information about some basic tr oubleshooting and diagnostic programs. If your computer pr oblem is not described in this chapter , see Chapter 7, “Getting information, help, and service,” on page 63 for additional troubleshooting resour ces. This chapter contains the fol[...]

Symptom Action The operating system does not start. V erify that you list the device where the operating system resides in the startup device sequence. Usually , the operating system is on the hard disk drive. For more information, see “Selecting a startup device” on page 53. The computer beeps multiple times before the operating system starts.[...]

1. T urn off the computer . 2. Repeatedly press and r elease the F1 1 key when turning on the computer . When you hear beeps or see a logo screen, r elease the F1 1 key . The Rescue and Recovery workspace opens after a short delay . 3. From the Rescue and Recovery workspace, select Launch advanced Rescue and Recovery → Diagnose hardware . The PC-[...]

Cleaning an optical mouse This section provides instr uctions on how to clean an optical mouse. An optical mouse uses a LED and an optical sensor to navigate the pointer . If the pointer on the screen does not move smoothly with the optical mouse, you might need to clean the mouse. T o clean an optical mouse, do the following: 1. T urn off your com[...]

Chapter 7. Getting information, help, and service This chapter provides information about help, service, and technical assistance for Lenovo products. This chapter contains the following topics: v “Information resour ces” v “Help and service” on page 65 Information resources Y ou can use the information in this section to access useful reso[...]

v Rescue and Recovery v System Update T o access the Lenovo ThinkV antage T ools program, click Start → All Programs → Lenovo ThinkV antage T ools . ThinkV antage Productivity Center Note: The ThinkV antage Productivity Center program is only available on computers preinstalled with the W indows V ista operating system or the W indows XP operat[...]

support telephone numbers and a PDF version of the ThinkCentre Safety and Warranty Guide fr om the Lenovo Support W eb site at: http://www .lenovo.com/support Before using the information in this manual and the pr oduct it supports, be sure to read and understand the ThinkCentr e Safety and Warranty Guide and “Notices,” on page 69. Lenovo W eb [...]

The following services are available during the warranty period: v Problem determination - T rained service personnel are available to assist you with determining a hardwar e problem and deciding what action is necessary to solve the problem. v Hardware repair - If the problem is caused by har dware under warranty , trained service personnel are av[...]

T o determine whether your computer is eligible for International W arranty Service and to view a list of the countries where service is available, go to http://www .lenovo.com/support, click W arranty , and follow the instructions on the screen. For technical assistance with the installation of or questions related to Service Packs for your preins[...]

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Appendix. Notices Lenovo may not offer the pr oducts, services, or features discussed in this document in all countries. Consult your local Lenovo repr esentative for information on the products and services curr ently available in your area. Any refer ence to a Lenovo product, program, or service is not intended to state or imply that only that Le[...]

vary significantly . Some measurements may have been made on development-level systems and there is no guarantee that these measur ements will be the same on generally available systems. Furthermore, some measur ements may have been estimated through extrapolation. Actual results may vary . Users of this document should verify the applicable data f[...]

Index A a rescue medium, cr eating and using 47 Access Help 64 administrator password 52 antivirus software 6 audio line-in connector 9 audio line-out connector 9 audio subsystem 2 B backup and recovery operations 45 basic troubleshooting 59 battery , replacing 21 Boot-block Recovery 56 C cable lock, security 39 changing startup device sequence 54 [...]

L Lenovo Customer Support Center 65 Lenovo ThinkV antage T oolbox 60 Lenovo ThinkV antage T ools 63 Lenovo W eb site 65 Lenovo W elcome 5 locating components 10 M media, creating and using r ecovery media 43 memory module 1, 19 installing, replacing 19 microphone connector 9 micropr ocessor 1 replacing 27 mouse connector 9 mouse, replacing 36 N not[...]

system management 2 programs 55 system board connectors 1 1 locating parts 1 1 location 1 1 T television output notice 70 temporary startup device 53 the BIOS, updating (flashing) 55, 56 ThinkV antage Productivity Center 64 trademarks 70 troubleshooting, basic 59 troubleshooting, diagnostic pr ograms 59 U updating (flashing) the BIOS 55 system prog[...]

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Part Number: 71Y8502 Printed in USA (1P) P/N: 71Y8502[...]