Dell E5520 manuale d’uso

Dell Latitude 5520/E5520/E5520m Owner's Manual Regulatory Model: P16G Regulatory Type: P16G001[...]

Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed. WARNING: A WARNING indicates a potential for property damage, personal injury, or death.[...]

Contents Notes, Cautions, and Warnings ...................................................................................................2 1 Working on Your Computer .......................................................................................................7 Before Working Inside Your Computer ..........................................[...]

Installing the Keyboard ........................................................................................................................................... 27 10 Optical Drive............................................................................................................................. 29 Removing the Optical Drive ...........[...]

Removing the Bluetooth Card ................................................................................................................................. 51 Installing the Bluetooth Card .................................................................................................................................. 52 21 Display Assembly .....[...]

31 Speaker ..................................................................................................................................... 81 Removing the Speakers .......................................................................................................................................... 81 Installing the Speakers ..............[...]

1 Working on Your Computer Before Working Inside Your Computer Use the following safety guidelines to help protect your computer from potential damage and to help to ensure your personal safety. Unless otherwise noted, each procedure included in this document assumes that the following conditions exist: • You have performed the steps in Working o[...]

6. Close the display and turn the computer upside-down on a flat work surface. NOTE: To avoid damaging the system board, you must remove the main battery before you service the computer. 7. Remove the main battery (see Battery ). 8. Turn the computer top-side up. 9. Open the display. 10. Press the power button to ground the system board. CAUTION: T[...]

After Working Inside Your Computer After you complete any replacement procedure, ensure you connect any external devices, cards, and cables before turning on your computer. CAUTION: To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for other Dell computers. 1. Connect any[...]

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2 Battery Removing the Battery 1. Follow the procedures in Before Working On Your Computer. 2. Slide the release latches to unlock the battery. 3. Remove the battery from the computer. Related Links Installing the Battery Installing the Battery 1. Slide the battery back into the computer. The release latches automatically click into the lock positi[...]

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3 PC Card Removing the PC Card 1. Follow the procedures in Before Working On Your Computer. 2. Press in on the PC latch to release the latch. 3. Press in on the PC latch to release the PC card. 4. Slide the PC card out of the computer. Related Links Installing the PC Card 13[...]

Installing the PC Card 1. Push the PC latch to lock it. 2. Push the PC card to its slot until it clicks. 3. Follow the procedures in After Working Inside Your Computer. Related Links Removing the PC Card 14[...]

4 Secure Digital (SD) Card Removing The Secure Digital (SD) Card 1. Follow the procedures in Before Working On Your Computer. 2. Push in on the SD card. 3. Slide the SD card out of the computer. Related Links Installing The Secure Digital (SD) Card Installing The Secure Digital (SD) Card 1. Slide the SD card into its slot until it clicks into place[...]

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5 Subscriber Identity Module (SIM) Card Removing the Subscriber Identity Module (SIM) Card 1. Follow the procedures in Before Working On Your Computer. 2. Remove the battery. 3. Press and release the SIM card located on the battery wall. 4. Slide the SIM card from the computer. Related Links Installing the Subscriber Identity Module (SIM) Card Inst[...]

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6 ExpressCard Removing the ExpressCard 1. Follow the procedures in Before Working On Your Computer. 2. Push in on the ExpressCard. 3. Slide the ExpressCard out of the computer. Related Links Installing the ExpressCard Installing the ExpressCard 1. Insert the ExpressCard into the slot until it clicks into place. 2. Follow the procedures in After Wor[...]

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7 Back Panel Removing the Back Panel 1. Follow the procedures in Before Working On Your Computer. 2. Remove the battery. 3. Remove the screws that secure the back panel. 4. Slide and remove the back panel toward the front of the computer . Related Links Installing the Back Panel Installing the Back Panel 1. Slide the back panel towards the back of [...]

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8 Keyboard Trim Removing the Keyboard Trim 1. Follow the procedures in Before Working On Your Computer 2. Remove the battery . 3. Pry up the keyboard trim from the bottom edge. 4. Pry up the keyboard trim from the top edge. 5. Remove the keyboard trim from the computer. Related Links 23[...]

Installing the Keyboard Trim Installing the Keyboard Trim 1. Align the keyboard trim with the tabs on top of the palm rest. 2. Press the keyboard trim down along the edges until it clicks into place. 3. Replace the battery . 4. Follow the procedures in After Working Inside Your Computer . Related Links Removing the Keyboard Trim 24[...]

9 Keyboard Removing the Keyboard 1. Follow the procedures in Before Working On Your Computer 2. Remove the battery . 3. Remove the keyboard trim . 4. Flip the computer and remove the screw that secures the keyboard to the back of the computer. 5. Flip the computer and remove the screws that secure the keyboard to the front of the computer. 6. Pry t[...]

7. Remove the mylar tape that secures the keyboard data cable to the back of the keyboard. 8. Disconnect the keyboard data cable. 9. Flip the keyboard. 10. Disconnect the keyboard data cable and remove it from the computer. Related Links Installing the Keyboard 26[...]

Installing the Keyboard 1. Connect the keyboard-data cable to the system board. 2. Connect the keyboard-data cable to the back of the keyboard. 3. Replace the tape to secure the keyboard-data cable to the back of the keyboard. 4. Replace the keyboard on the palm rest to align the screw holes. 5. Tighten the keyboard screws. 6. Flip the computer and[...]

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10 Optical Drive Removing the Optical Drive 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the back panel . 4. Remove the screw that secures the optical drive to the computer. 5. Push the screw tab away from the computer to release the optical drive from the drive bay. 6. Remove the optical drive fro[...]

Installing the Optical Drive Installing the Optical Drive 1. Slide the optical drive into the drive bay on the right side of the computer. 2. Tighten the screw on the back of the computer to secure the optical drive. 3. Replace the back panel. 4. Replace the battery. 5. Follow the procedures in After Working Inside Your Computer . Related Links Rem[...]

11 Hard Drive Removing the Hard Drive 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the back panel . 4. Remove the screws that secure the hard-drive bracket to the computer. 5. Use the tab to pull the hard-drive bracket upward and remove it from the computer. 6. Remove the hard-drive bracket screws.[...]

7. Disconnect the bracket from the hard drive. 8. Disconnect the hard-drive connector from the hard drive. Related Links Installing the Hard Drive Assembly Installing the Hard Drive 1. Reconnect the hard-drive connector to the hard drive. 2. Attach the hard-drive bracket to the hard drive. 3. Tighten the hard-drive bracket screws to ensure that the[...]

12 Wireless Local Area Network (WLAN) Card Removing the Wireless Local Area Network (WLAN) Card 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the back panel . 4. Disconnect the antenna cables from the WLAN card. 5. Remove the screw that secures the WLAN card to system board. 6. Remove the WLAN card.[...]

Related Links Installing the Wireless Local Area Network (WLAN) Card Installing The Wireless Local Area Network (WLAN) Card 1. Slide the WLAN card into its slot. 2. Tighten the screw to secure the WLAN card to the computer. 3. Connect the antenna cables according to the color code on the WLAN card. 4. Replace the back panel. 5. Replace the battery.[...]

13 Wireless Wide Area Network (WWAN) Card Removing the Wireless Wide Area Network (WWAN) Card 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the back panel . 4. Disconnect the antenna cables from the WWAN card. 5. Remove the screw that secures the WWAN card to the system board. 6. Remove the WWAN car[...]

Related Links Installing the Wireless Wide Area Network (WWAN) card Installing The Wireless Wide Area Network (WWAN) Card 1. Slide the WWAN card into its slot. 2. Tighten the screw to secure the WWAN card to the computer. 3. Connect the antenna cables according to the color code on the WWAN card. 4. Replace the back panel. 5. Replace the battery. 6[...]

14 Memory Removing the Memory Module 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the back panel . 4. Pry the retention clips away from the memory module. 5. Remove the memory module from the computer. Related Links Installing The Memory Module Installing the Memory Module 1. Insert the memory modu[...]

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15 CPU Door Removing the CPU Door 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the back panel . 4. Remove the screws that secure the CPU door to the computer. 5. Remove the CPU door. Related Links Installing the CPU Door Installing the CPU Door 1. Slide the CPU door downwards and towards the back o[...]

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16 Heat Sink Removing the Heat Sink 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the back panel . 4. Remove the CPU door . 5. Loosen the screws on the heat sink. 6. Lift the heat sink and remove it from the computer. Related Links Installing the Heat Sink Installing the Heat Sink 1. Tighten the scr[...]

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17 Processor Removing the Processor 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the back panel 4. Remove the CPU door . 5. Remove the heat sink . 6. Rotate the processor-cam screw in counter-clockwise direction. 7. Remove the processor. Related Links Installing the Processor Installing the Process[...]

4. Replace the back panel . 5. Replace the battery . 6. Follow the procedures in After Working Inside Your Computer . Related Links Removing the Processor 44[...]

18 Palm Rest Removing the Palm Rest 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the back panel . 4. Remove the keyboard trim . 5. Remove the keyboard . 6. Remove the optical drive . 7. Remove the CPU door . 8. Remove the screws from the bottom of the computer. 9. Flip the computer and remove the s[...]

11. Disconnect the power LED cable. 12. Disconnect the touchpad cable. 13. Disconnect the power-button cable. 14. Disconnect the fingerprint cable. 46[...]

15. Lift up the right edge of the palm rest assembly. 16. Release the tabs on the left edge of the palm rest assembly and remove the palm rest. Related Links Installing the Palm Rest Installing the Palm Rest 1. From the left edge of the palm rest, press the palm rest downwards on the computer on all the edges. 2. Press down on all edges to ensure t[...]

10. Replace the back panel . 11. Replace the battery . 12. Follow the procedures in After Working Inside Your Computer . Related Links Removing the Palm Rest 48[...]

19 ExpressCard/Smart Card/PCMCIA Module Removing the ExpressCard/Smart Card/PCMCIA Module 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the back panel . 4. Remove the keyboard trim . 5. Remove the keyboard . 6. Remove the optical drive . 7. Remove the CPU door . 8. Remove the palm rest . 9. Remove t[...]

Installing the ExpressCard/Smart Card/PCMCIA Module 1. Attach the connector on the back of the ExpressCard/Smart Card/PCMCIA module to the marking on the connector on the system board. 2. Tighten the screws to secure the ExpressCard/Smart Card/PCMCIA module. 3. Replace the palm rest . 4. Replace the CPU door . 5. Replace the keyboard trim . 6. Repl[...]

20 Bluetooth Card Removing the Bluetooth Card 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the back panel . 4. Remove the keyboard trim . 5. Remove the keyboard . 6. Remove the optical drive . 7. Remove the CPU door . 8. Remove the palm rest . 9. Disconnect the Bluetooth cable from the system board[...]

12. Disconnect the Bluetooth cable from the Bluetooth card. Related Links Installing the Bluetooth Card Installing the Bluetooth Card 1. Connect the Bluetooth card cable to the card. 2. Place the Bluetooth card in the computer. 3. Tighten the screw to secure the Bluetooth card in the computer. 4. Connect the Bluetooth cable to the system board. 5. [...]

21 Display Assembly Removing the Display Assembly 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the back panel . 4. Remove the keyboard trim . 5. Remove the keyboard . 6. Remove the optical drive . 7. Remove the hard drive . 8. Remove the CPU door . 9. Remove the palm rest . 10. Disconnect the anten[...]

13. Disconnect the camera cable. 14. Pull the antenna cables through the opening at the top of the computer. 15. Remove the screws that secure the display assembly to the computer. 16. Remove the display assembly. 54[...]

Related Links Installing the Display Assembly Installing the Display Assembly 1. Attach the display assembly to the base of the computer. 2. Tighten the screws to secure the display assembly. 3. Connect the low-signal differential signaling (LVDS) cable to the system board. 4. Connect the camera cable to system board. 5. Push the antenna through th[...]

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22 Brackets Removing the Support Brackets 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the back panel . 4. Remove the keyboard trim . 5. Remove the keyboard . 6. Remove the optical drive . 7. Remove the CPU door . 8. Remove the palm rest . 9. Remove the display assembly . 10. Remove the audio board[...]

16. Remove the modem cable from the routing channel. 17. Remove the screws that secure the left-support bracket. 18. Slide the left-support bracket along the modem cable and remove it from the computer. Related Links Installing the Support Brackets 58[...]

Installing the Support Brackets 1. Slide the modem cable through the opening of the left-support bracket. 2. Place the left-support bracket in the original position. 3. Tighten the screws to secure the left-support bracket. 4. Secure the modem connector cable to its routing channel. 5. Connect the modem connector cable to the modem card. 6. Place t[...]

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23 Modem Card Removing the Modem Card 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the back panel . 4. Remove the keyboard trim . 5. Remove the keyboard . 6. Remove the optical drive . 7. Remove the hard drive . 8. Remove the CPU door 9. Remove the palm rest . 10. Remove the display assembly . 11. [...]

Related Links Installing the Modem Card Installing the Modem Card 1. Attach the connector on the back of the modem card to the connector on the system board. 2. Tighten the screws to secure the modem card. 3. Connect the modem card cable. 4. Replace the display assembly . 5. Replace the palm rest . 6. Replace the CPU door . 7. Replace the hard driv[...]

24 Audio Board Removing the Audio Board 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the back panel . 4. Remove the keyboard trim . 5. Remove the keyboard . 6. Remove the optical drive 7. Remove the CPU door . 8. Remove the palm rest 9. Remove the Bluetooth card 10. Disconnect the audio-board cable[...]

Related Links Installing the Audio Board Installing the Audio Board 1. Place the audio board in the computer. 2. Tighten the screw to secure the audio board. 3. Connect the audio cables to the system board. 4. Replace the bluetooth card . 5. Replace the palm rest . 6. Replace the CPU door . 7. Replace the keyboard trim . 8. Remove the keyboard . 9.[...]

25 System Board Removing the System Board 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the subscriber identity module (SIM) card 4. Remove the secure digital (SD) card 5. Remove the back panel . 6. Remove the memory 7. Remove the keyboard trim . 8. Remove the keyboard . 9. Remove the optical drive [...]

25. Remove the DC-In cable. 26. Disconnect the following cables: – speaker cable – bluetooth cable – audio board cable 27. Remove the screws that secure the system board to the computer. 28. Lift the right edge of the system board, to release it from the port connectors, and remove the system board. 66[...]

Related Links Installing the System Board Installing the System Board 1. Align the system board to the port connectors and place the system board in the computer. 2. Engage the connector on the back of the system board to the I/O panel. 3. Tighten the screws to secure the system board. 4. Connect the following cables: – speaker cable – audio bo[...]

9. Replace the modem card . 10. Replace the Bluetooth card . 11. Replace the audio board . 12. Replace the display assembly . 13. Replace the ExpressCard/Smart Card/PCMCIA module . 14. Replace the palm rest . 15. Replace the processor . 16. Replace the heat sink . 17. Replace the CPU door . 18. Replace the wireless local area network (WLAN) . 19. R[...]

26 Coin-Cell Battery Removing the Coin-Cell Battery 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the back panel . 4. Remove the CPU door . 5. Lift the coin-cell battery from the system board. 6. Pry and remove the coin-cell battery from the adhesive. Related Links Installing the Coin-Cell Battery I[...]

6. Follow the procedures in After Working Inside Your Computer . Related Links Removing the Coin-Cell Battery 70[...]

27 Input/Output Panel Removing the Input/Output (I/O) Panel 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the subscriber identity module (SIM) card 4. Remove the secure digital (SD) card . 5. Remove the back panel . 6. Remove the memory . 7. Remove the keyboard trim . 8. Remove the keyboard . 9. Rem[...]

Related Links Installing the Input/Output (I/O) Panel Installing the Input/Output (I/O) Panel 1. Place the I/O panel in the original position. 2. Tighten the screws to secure the I/O panel. 3. Replace the system board . 4. Replace the support brackets . 5. Replace the modem card . 6. Replace the bluetooth card . 7. Replace the audio board . 8. Repl[...]

28 Power Connector Removing the Power Connector 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the subscriber identity module (SIM) card 4. Remove the secure digital (SD) card . 5. Remove the back panel . 6. Remove the memory . 7. Remove the keyboard trim . 8. Remove the keyboard . 9. Remove the opti[...]

Related Links Installing the Power Connector Installing the Power Connector 1. Secure the power connector to the routing channel on the processor fan. 2. Replace the system board . 3. Replace the support brackets . 4. Replace the modem card . 5. Replace the bluetooth card . 6. Replace the audio board . 7. Replace the display assembly . 8. Replace t[...]

29 Modem Connector Removing the Modem Connector 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the back panel . 4. Remove the keyboard trim . 5. Remove the keyboard . 6. Remove the optical drive . 7. Remove the hard drive . 8. Remove the CPU door . 9. Remove the palm rest . 10. Remove the display ass[...]

9. Replace the keyboard . 10. Replace the keyboard trim . 11. Replace the battery . 12. Follow the procedures in After Working Inside Your Computer . Related Links Removing the Modem Connector 76[...]

30 Thermal Fan Removing the Thermal Fan 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the SIM card. 4. Remove the SD card. 5. Remove the back panel . 6. Remove the memory 7. Remove the keyboard trim . 8. Remove the keyboard . 9. Remove the optical drive . 10. Remove the hard drive . 11. Remove the w[...]

23. Remove the thermal fan. Related Links Installing the Thermal Fan Installing the Thermal Fan 1. Place the thermal fan in the original position. 2. Tighten the screw to secure the thermal fan. 3. Replace the system board . 4. Replace the support brackets . 5. Replace the display assembly . 6. Replace the ExpressCard/Smart Card/PCMCIA module . 7. [...]

21. Replace the battery . 22. Follow the procedures in After Working Inside Your Computer . Related Links Removing the Thermal Fan 79[...]

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31 Speaker Removing the Speakers 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the secure digital (SD) card . 4. Remove the subscriber identity module (SIM) card . 5. Remove the back panel . 6. Remove the memory . 7. Remove the keyboard trim . 8. Remove the keyboard . 9. Remove the optical drive . 1[...]

26. Remove the speakers. Related Links Installing the Speakers Installing the Speakers 1. Secure the speaker cables to the routing channels. 2. Replace the speakers in the original position. 3. Tighten the screws to secure the speakers. 4. Replace the system board . 5. Replace the support brackets . 6. Replace the modem card . 7. Replace the Blueto[...]

21. Replace the memory . 22. Replace the back panel . 23. Replace the secure digital (SD) card . 24. Replace the subscriber identity module (SIM) card . 25. Replace the battery . 26. Follow the procedures in After Working Inside Your Computer . Related Links Removing the Speakers 83[...]

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32 Display Bezel Removing the Display Bezel 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Pry up the bottom edge of the display bezel. 4. Work your way around the sides and the top edge of the display bezel. 5. Remove the display bezel. Related Links 85[...]

Installing the Display Bezel Installing the Display Bezel 1. Place the display bezel in the original position. 2. From the top edge, press downward on the display bezel to engage the tabs. 3. Work your way around the side and the bottom edge. 4. Replace the battery . 5. Follow the procedures in After Working Inside Your Computer . Related Links Rem[...]

33 Display Panel Removing the Display Panel 1. Follow the procedures in Before Working On Your Computer. 2. Remove the battery . 3. Remove the display bezel . 4. Remove the screws that secure that back panel. 5. Flip the display panel and disconnect the low-voltage differential signalling (LVDS) cable. 6. Remove the display panel from the display a[...]

Related Links Installing the Display Panel Installing the Display Panel 1. Align the display brackets with the display panel. 2. Tighten the screws to secure the display panel. 3. Connect the low-voltage differential signalling (LVDS) cable to the back of the display panel. 4. Place the display panel in the display cover. 5. Tighten the screws to s[...]

34 Display Hinges Removing the Display Hinges 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the back panel . 4. Remove the keyboard trim . 5. Remove the keyboard . 6. Remove the optical drive . 7. Remove the CPU door . 8. Remove the palm rest . 9. Remove the display assembly . 10. Remove the display[...]

15. Pull the antenna cable routed through the right-hinge tower through the opening on the right side. 16. Pull the right-hinge tower along the antenna cables and remove it. 17. Remove the left-display hinge cap. 18. Remove the left-display hinge tower. 90[...]

19. Release and remove the left-hinge tower from the cables. Related Links Installing the Display Hinges Installing the Display Hinges 1. Replace the left hinge tower with the offset end facing inward. 2. Position the low-voltage differential signaling (LVDS) and camera cables through the hinge tower slits towards the centre of the display cover. 3[...]

20. Replace the battery . 21. Follow the procedures in After Working Inside Your Computer . Related Links Removing the Display Hinges 92[...]

35 Camera Removing the Camera 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Remove the display bezel . 4. Remove the display panel . 5. Disconnect the camera cable. 6. Loosen the screw that secures the camera and the microphone module. 7. Lift and remove the camera module. 93[...]

Related Links Installing the Camera Installing the Camera 1. Place the camera module on the display cover. 2. Replace and tighten the screw to secure the camera. 3. Connect the camera cable to the camera module. 4. Replace the display panel . 5. Replace the display bezel . 6. Replace the battery . 7. Follow the procedures in After Working Inside Yo[...]

36 Specifications Technical Specifications NOTE: Offerings may vary by region. The following specifications are only those required by law to ship with your computer. For more information regarding the configuration of your computer, click Start → Help and Support and select the option to view information about your computer. System Information C[...]

Audio Type two-channel high definition audio Controller 92HD90B Stereo Conversion 24-bit (analog-to-digital and digital-to-analog) Interface: Internal high definition audio External microphone-in connector, stereo headphones/external speakers connector Speakers 1.5 W stereo Internal speaker amplifier 1.5 W mono Volume controls media buttons for Med[...]

Display Type White Light Emitting Diode (WLED) display Size Latitude 5420/E5420/E5420m 14.0 inch high definition WLED Latitude 5520/E55420/E5520m 15.6 inch high definition WLED Active area (X/Y) Latitude 5420/E5420/E5420m 309.60 mm/173.90 mm Latitude 5520/E55420/E5520m 344.20 mm/193.50 mm Dimensions: Height Latitude 5420/E5420/E5420m 192.50 mm (7.5[...]

Display Pixel pitch Latitude 5420/E5420/E5420m HD 0.2265 mm x 0.2265 mm HD+ 0.1935 mm x 0.1935 mm Latitude 5520/E55420/E5520m HD 0.2520 mm x 0.2520 mm FHD 0.1935 mm x 0.1935 mm Keyboard Number of keys United States: 86 keys, United Kingdom: 87 keys, Brazil: 87 keys, and Japan: 90 keys Layout QWERTY/AZERTY/Kanji Touchpad Active Area X-axis 80.00 mm [...]

Battery 4-cell 14.8 VDC 6- and 9-cell 11.1 VDC Temperature range: Operating 0 °C to 50 °C (32 °F to 122 °F) Non-Operating –40 °C to 85 °C (–40 °F to 185 °F) NOTE: The battery pack is capable of safely withstanding the above storage temperatures with 100% charge. NOTE: The battery pack is also capable of withstanding storage temperatures[...]

Physical Latitude 5420/E5420/E5420m 350.00 mm (13.78 inches) Latitude 5520/E5520/E5520m 388.00 mm (15.28 inches) Depth Latitude 5420/E5420/E5420m 240.00 mm (9.45 inches) Latitude 5520/E5520/E5520m 251.00 mm (9.88 inches) Weight Latitude 5420/E5420/E5420m 2.27 kg (5.00 lb) Latitude 5520/E5520 2.54 kg (5.60 lb) Latitude E5520m 2.63 kg (5.80 lb) Envir[...]

37 System Setup Overview System Setup allows you to: • change the system configuration information after you add, change, or remove any hardware in your computer. • set or change a user-selectable option such as the user password. • read the current amount of memory or set the type of hard drive installed. CAUTION: Unless you are an expert co[...]

General • USB Storage Device • CD/DVD/CD-RW Drive • Onboard NIC • Cardbus NIC Boot List Option Allows you to change the boot list option. • Legacy • UEFI Date/Time Allows you to change the date and time. System Configuration Integrated NIC Allows you to configure the integrated network controller. The options are: • Disabled • Enabl[...]

System Configuration Default Setting: AT Serial Port Allows you to configure the integrated serial port. The options are: • Disabled • COM1 • COM2 • COM3 • COM4 Default Setting: COM1 SATA Operation Allows you to configure the internal SATA hard-drive controller. The options are: • Disabled • ATA • AHCI Default Setting: AHCI NOTE: SA[...]

System Configuration • Disabled • Level is 25% • Level is 50% • Level is 50% • Levels is 100% Default Setting: Level is 75% Drives Allows you to configure the SATA drives on board. The options are: • SATA-0 • SATA-1 • SATA-4 • SATA-5 Default Setting: All drives are enabled. Video LCD Brightness Allows you to set the display bright[...]

Security Default Setting: Disabled Password Change Allows you to enable the disable permission to the System and Hard Drive passwords when the admin password is set. Default Setting: Allow Non-Admin Password Changes is not selected Strong Password Allows you to enforce the option to always set strong passwords. Default Setting: Enable Stron Passwor[...]

Performance • 2 Default Setting: All Intel ® SpeedStep ™ Allows you to enable or disable the Intel SpeedStep feature. Default Setting: Enable Intel SpeedStep C States Control Allows you to enable or disable the additional processor sleep states. Default Setting: The options C states , C3 , C6 , Enhanced C-states , and C7 options are enabled. L[...]

Power Management Charger Behavior Allows you to enable or disable the battery charger. The options are; • Disabled • Enabled Default Setting: Enabled POST Behavior Adapter Warnings Allows you to enable or disable the system setup (BIOS) warning messages when you use certain power adapters. Default Setting: Enable Adapter Warnings Mouse/Touchpad[...]

Wireless • WLAB • Bluetooth Default Setting: All the options are selected. Wireless Device Enable Allows you to enable or disable the wireless devices. Maintenance Service Tag Displays the Service Tag of your computer. Asset Tag Allows you to create a system asset tag if an asset tag is not already set. This option is not set by default. SERR M[...]

38 Diagnostics Diagnostics Device Status Lights Turns on when you turn on the computer and blinks when the computer is in a power management mode. Turns on when the computer reads or writes data. Turns on steadily or blinks to indicate battery charge status. Turns on when wireless networking is enabled. Turns on when a card with Bluetooth wireless [...]

capacity remains. Each light represents incremental degradation. If five lights appear, less than 60 percent of the charge capacity remains, and you should consider replacing the battery. Keyboard Status Lights The lights located above the keyboard indicate the following: Turns on when the numeric keypad is enabled. Turns on when the Caps Lock func[...]

39 Contacting Dell Contacting Dell NOTE: If you do not have an active Internet connection, you can find contact information on your purchase invoice, packing slip, bill, or Dell product catalog. Dell provides several online and telephone-based support and service options. Availability varies by country and product, and some services may not be avai[...]