Dell 469-2590 manuale d’uso

Dell Latitude E6420 and E6420 ATG Owner's Manual Regulatory Model P15G Regulatory Type P15G001, P15G002[...]

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. Information in this publicati[...]

Contents Notes, Cautions, and Warnings ..................................................................2 1 Working on Your Computer ......................................................................9 Before Working Inside Your Computer .............................................................................9 Recommended Tools ...........[...]

Installing the Subscriber Identity Module (SIM) Card .................................................... 24 8 Secure Digital (SD) Card ......................................................................... 25 Removing the Secure Digital (SD) Card .......................................................................... 25 Installing the Secure[...]

16 Heat Sink .................................................................................................. 47 Removing The Heat Sink ................................................................................................. 47 Installing The Heat Sink ......................................................................................[...]

Installing the ExpressCard Cage ..................................................................................... 78 25 System Board Components .................................................................. 79 Removing the System Board ........................................................................................... 79 Installing [...]

33 Display Panel ........................................................................................ 113 Removing the Display Panel .......................................................................................... 113 Installing the Display Panel .........................................................................................[...]

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Working on Your Computer 1 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[...]

NOTE: The color of your computer and certain components may appear differently than shown in this document. To avoid damaging your computer, perform the following steps before you begin working inside the computer. 1. Ensure that your work surface is flat and clean to prevent the computer cover from being scratched. 2. Turn off your computer (see T[...]

• #0 Phillips screwdriver • #1 Phillips screwdriver • Small plastic scribe • Flash BIOS update program CD Turning Off Your Computer CAUTION: To avoid losing data, save and close all open files and exit all open programs before you turn off your computer. 1. Shut down the operating system: • In Windows Vista : Click Start , then click the [...]

CAUTION: To connect a network cable, first plug the cable into the network device and then plug it into the computer. 3. Replace the battery. 4. Connect your computer and all attached devices to their electrical outlets. 5. Turn on your computer. 12[...]

ATG Handle 2 Removing The ATG Handle 1. Follow the procedures in Before Working On Your Computer . 2. Remove the screws that secure the ATG handle to the computer. 3. Remove the ATG handle out of the computer. 13[...]

Installing The ATG Handle 1. Place the ATG handle and tighten the screws that secure it to the computer. 2. Follow the procedures in After working inside your computer . 14[...]

ATG Port Cover 3 Removing the ATG Port Cover 1. Follow the procedures in Before Working On Your Computer . 2. Remove the screws on the right ATG Port Cover. 3. Remove the right ATG port cover. 4. Remove the screws on the left ATG port cover. 15[...]

5. Remove the left ATG Port Cover. Installing The ATG Port Cover 1. Place the ATG Port Covers and tighten the screws that secure it to the computer. 2. Follow the procedures in After working inside your computer . 16[...]

Modem Connector Plug 4 Removing the Modem Connector Plug 1. Follow the procedures in Before Working On Your Computer . 2. Remove the battery . 3. Pop open the rubber cover. 4. Identify the pin hole. 5. Insert a pin into the hole and pull the pin upwards to release the latch cover. 17[...]

6. Remove the cover. Installing the Modem Connector Plug 1. Place the modem cover. 2. Identify the pin hole and insert a pin into the hole and pull the pin to lock the cover. 3. Lock the rubber cover. 4. Install the Battery . 5. Follow the procedures in After Working Inside Your Computer . 18[...]

ExpressCard 5 Removing the ExpressCard 1. Follow the procedures in Before Working On Your Computer . 2. Press in on the ExpressCard to release it from the computer. 3. Slide the ExpressCard out of the computer. Installing the ExpressCard 1. Slide the ExpressCard into its slot until it clicks into place. 2. Follow the procedures in After working ins[...]

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Battery 6 Removing the Battery 1. Follow the procedures in Before Working On Your Computer . 2. Slide the battery latches toward the unlock position. 3. Slide the battery out of the computer and remove it. 21[...]

Installing the Battery 1. Slide the battery into its slot until it clicks into place. 2. Follow the procedures in After working inside your computer . 22[...]

Subscriber Identity Module (SIM) Card 7 Removing the Subscriber Identity Module (SIM) Card 1. Follow the procedures in Before Working On Your Computer . 2. Remove the Battery . 3. Insert the SIM card into the slot. 4. Remove the SIM card from the system. 23[...]

Installing the Subscriber Identity Module (SIM) Card 1. Slide the SIM card into its slot. 2. Install the Battery . 3. Follow the procedures in After Working Inside Your Computer . 24[...]

Secure Digital (SD) Card 8 Removing the Secure Digital (SD) Card 1. Follow the procedures in Before Working On Your Computer . 2. Press in on the SD card to release the SD card from the computer. 3. Slide the SD card out of the computer. Installing the Secure Digital (SD) Card 1. Slide the Secure Digital (SD) card into its slot until it clicks into[...]

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Base Cover 9 Removing the Base Cover 1. Follow the procedures in Before Working On Your Computer . 2. Remove the ATG Handle (only for E6420 ATG systems). 3. Remove the ATG Port Cover (only for E6420 ATG systems). 4. Remove the Battery . 5. Remove the SD Card . 6. Remove the screws that secure the base cover to the computer. 7. Lift the base cover u[...]

Installing the Base Cover 1. Place the base cover to align the screw holes correctly with the computer. 2. Tighten the screws that secure the base cover to the computer. 3. Install the Secure Digital (SD) Card . 4. Install the Battery . 5. Install the ATG Port Cover (only for E6420 ATG systems). 6. Install the ATG Handle (only for E6420 ATG systems[...]

Hard Drive 10 Removing the Hard Drive 1. Follow the procedures in Before Working On Your Computer . 2. Remove the Battery . 3. Remove the screws that secure the hard drive to the computer. 4. Slide and remove the hard drive out of the computer. 5. Remove the screw that secures the hard drive caddy to the hard drive. 29[...]

6. Pull and remove the hard drive caddy away from the hard drive. Installing the Hard Drive 1. Attach the hard drive caddy to the hard drive. 2. Tighten the screw to secure the hard-drive caddy to the hard drive. 3. Slide the hard drive into the computer. 4. Replace and tighten the screws that secure the hard drive to the computer. 5. Install the B[...]

Optical Drive 11 Removing The Optical Drive 1. Follow the procedures in Before Working On Your Computer . 2. Remove the Battery . 3. Push in the drive latch into the slot. 4. Pull the optical drive using the drive latch. 5. Pull the optical drive door from one side to release it. 31[...]

6. Pull the other side of the optical drive door to release it completely from the optical drive. 7. Remove the screw that secures the drive latch to the optical drive. 8. Remove the drive latch from the optical drive. 32[...]

9. Remove the screws that secures the drive latch bracket to the optical drive. 10. Remove the drive latch bracket from the optical drive. 33[...]

Installing the Optical Drive 1. Insert the drive latch bracket into the optical drive. 2. Tighten the screws that secure the drive latch bracket to the optical drive. 3. Insert the drive latch into the optical drive. 4. Tighten the screw that secures the drive latch to the optical drive. 5. Push one side of the optical drive door to insert it compl[...]

Memory Card 12 Removing the Memory Card 1. Follow the procedures in Before Working On Your Computer 2. Remove the ATG Handle (only for E6420 ATG systems). 3. Remove the ATG Port Cover (only for E6420 ATG systems). 4. Remove the battery . 5. Remove the Secure Digital (SD) card . 6. Remove the base cover . 7. Use your fingertips to spread apart the s[...]

Installing the Memory Card 1. Push the memory module into the memory slot. 2. Press the clips to secure the memory module to the system board. 3. Install the Base Cover . 4. Install the Secure Digital (SD) card . 5. Install the Battery . 6. Install the ATG Port Cover (only for E6420 ATG systems). 7. Install the ATG Handle (only for E6420 ATG system[...]

Wireless Local Area Network (WLAN) Card 13 Removing the Wireless Local Area Network (WLAN) Card 1. Follow the procedures in Before Working On Your Computer . 2. Remove the ATG Handle (only for E6420 ATG systems). 3. Remove the ATG Port Cover (only for E6420 ATG systems). 4. Remove the battery . 5. Remove the Secure Digital (SD) card . 6. Remove the[...]

9. Slide and remove the WLAN card out from its slot on the system board. 38[...]

Installing the Wireless Local Area Network (WLAN) Card 1. Insert the WLAN card into its connector at a 45–degree angle. 2. Replace and tighten the screw that secures the WLAN card to the computer. 3. Connect the antenna cables to their respective connectors marked on the WLAN card. 4. Install the ATG Port Cover (only for E6420 ATG systems). 5. In[...]

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Wireless Wide Area Network (WWAN) Card 14 Removing the Wireless Wide Area Network (WWAN) Card 1. Follow the procedures in Before Working On Your Computer . 2. Remove the ATG Handle (only for E6420 ATG systems). 3. Remove the ATG Port Cover (only for E6420 ATG systems). 4. Remove the Battery . 5. Remove the SD Card . 6. Remove the Base Cover . 7. Di[...]

9. Slide the WWAN card from its connector and remove it from the computer. 42[...]

Installing the Wireless Wide Area Network (WWAN) Card 1. Insert the WWAN card into its connector at a 45–degree angle. 2. Replace and tighten the screw that secures the WWAN card to the computer. 3. Connect the antenna cables to their respective connectors marked on the WWAN card. 4. Install the Base Cover . 5. Install the Secure Digital (SD) Car[...]

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Coin-Cell Battery 15 Removing the Coin-Cell Battery 1. Follow the procedures in Before Working on Your Computer . 2. Remove the ATG Handle (only for E6420 ATG systems). 3. Remove the ATG Port Cover (only for E6420 ATG systems). 4. Remove the Battery . 5. Remove the SD Card . 6. Remove the Base Cover . 7. Disconnect any antennas routed over the coin[...]

9. Release and remove the coin-cell battery from the computer. Installing the Coin-Cell Battery 1. Place the coin-cell battery in its location. 2. Connect the coin-cell battery cable to the system board. 3. Connect any antennas that were routed over the coin cell battery. 4. Install the Base Cover . 5. Install the Secure Digital (SD) card . 6. Inst[...]

Heat Sink 16 Removing The Heat Sink 1. Follow the procedures in Before Working On Your Computer . 2. Remove the ATG Handle (only for E6420 ATG systems). 3. Remove the ATG Port Cover (only for E6420 ATG systems). 4. Remove the Battery . 5. Remove the SD Card . 6. Remove the Base Cover . 7. Disconnect the heat sink assembly cable. 8. Loosen the screw[...]

9. Remove the heat sink assembly from the system. 10. Rotate the processor cam lock in a counter-clockwise direction. 48[...]

11. Remove the processor from the system. Installing The Heat Sink 1. Insert the processor back into the system. 2. Rotate the processor cam lock in a clockwise direction. 3. Place the heat sink assembly into the system. 4. Tighten the four screws securing the heat sink. 5. Connect the heat sink assembly cable. 6. Install the Base Cover . 7. Instal[...]

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Bluetooth Card 17 Removing the Bluetooth Card 1. Follow the procedures in Before Working On Your Computer . 2. Remove the ATG Handle (only for E6420 ATG systems). 3. Remove the ATG Port Cover (only for E6420 ATG systems). 4. Remove the Battery . 5. Remove the Secure Digital Card . 6. Remove the Base Cover . 7. Remove the Hard Drive . 8. Remove the [...]

10. Disconnect the bluetooth cable. 52[...]

Installing the Bluetooth Card 1. Connect the bluetooth cable to the bluetooth card. 2. Replace and tighten the screw to secure the bluetooth card to the computer. 3. Install the Hard Drive . 4. Install the Base Cover . 5. Install the SD Card . 6. Install the Battery . 7. Install the ATG Port Cover (only for E6420 ATG systems). 8. Install the ATG Ha[...]

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Keyboard Trim 18 Removing the Keyboard Trim 1. Follow the procedures in Before Working On Your Computer . 2. Using a plastic scribe, pry the keyboard trim from the top edge to release it from the computer. 3. Pry along the sides. 4. Release the tabs part of the trim. 55[...]

5. Gently lift the keyboard trim to release it from the computer. Installing the Keyboard Trim 1. Align the keyboard trim with the keyboard and gently snap it into place. 2. Follow the procedures in After Working Inside Your Computer . 56[...]

Keyboard 19 Removing the Keyboard 1. Follow the procedures in Before Working On Your Computer . 2. Remove the Battery . 3. Remove the Keyboard Trim . 4. Remove the screws that secure the keyboard at the bottom of the computer. 5. Remove the screws that secure the keyboard on the system. 57[...]

6. Carefully flip the keyboard over and lay it toward the display. 7. Disconnect the keyboard cable from the system board. 8. Remove the keyboard from the computer. 58[...]

9. Remove the tape securing the keyboard cable from the keyboard. 10. Unlock the cable holder. 59[...]

11. Disconnect and remove the keyboard cable from the keyboard. Installing the Keyboard 1. Connect the keyboard cable and secure it to the keyboard using the tape. 2. Connect the keyboard cable to its connector on the system board. 3. Replace and tighten the screws that secure the keyboard to the computer. 4. Install the Battery . 5. Install the Ke[...]

Modem Card 20 Removing the Modem Card 1. Follow the procedures in Before Working On Your Computer . 2. Remove the Battery . 3. Remove the Keyboard Trim . 4. Remove the Keyboard . 5. Remove the screw securing the modem card to the computer. 6. Pull out the tab from underneath the palmrest. 61[...]

7. Lift the tab to disconnect the holder. 8. Rotate the modem card at an angle. 9. Remove modem card from the slot away from the computer. 62[...]

10. Disconnect the modem cable from the modem card and remove it from the system. Installing the Modem Card 1. Connect the modem cable to the modem card on the system board. 2. Place the modem card in its slot in the computer. 3. Tighten the screw securing the modem card to the system. 4. Install the Keyboard Trim . 5. Install the Keyboard . 6. Ins[...]

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Palm Rest 21 Removing the Palm Rest Assembly 1. Follow the procedures in Before Working On Your Computer . 2. Remove the ATG Handle (only for E6420 ATG systems). 3. Remove the ATG Port Cover (only for E6420 ATG systems). 4. Remove the Battery . 5. Remove the SD Card . 6. Remove the Base Cover . 7. Remove the Optical Drive . 8. Remove the Hard Drive[...]

15. Release and disconnect the LED, smart card, touchpad, RFID, and ExpressCard cable from the system board. 16. Using a plastic scribe, gently pry out the top right corner of the palm rest and run along the scribe to the right side of the palm rest to release the snaps. 66[...]

17. Continue to use the scribe to run along the top and left side of the palm rest until all snaps are released. 18. Lift the top side at a 25–degree angle, pull the palm rest towards the screen, and remove it from the computer. 67[...]

Installing the Palm Rest Assembly 1. Align the palm rest assembly with the computer and gently snap it into place. 2. Replace and tighten the screws that secure the palm rest assembly to the system board. 3. Connect the LED, smart card, touchpad, RFID, and ExpressCard cables to the system board. 4. Replace and tighten the screws that secure the pal[...]

Smart Card Reader 22 Removing the Smart Card 1. Follow the procedures in Before Working On Your Computer . 2. Remove the ATG Handle (only for E6420 ATG systems). 3. Remove the ATG Port Cover (only for E6420 ATG systems). 4. Remove the Battery . 5. Remove the SD Card . 6. Remove the Base Cover . 7. Remove the Hard Drive . 8. Remove the Keyboard Trim[...]

13. Remove the Smart Card Reader from the computer. 70[...]

Installing the Smart Card 1. Replace the Smart Card Reader in the computer in its original position. 2. Tighten the screws of the Smart Card Reader. 3. Connect the Smart Card Reader cable on the system board. 4. Install the Palmrest Assembly . 5. Install the Keyboard . 6. Install the Keyboard Trim . 7. Install the Hard Drive . 8. Install the Base C[...]

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Media Board 23 Removing The Media Board 1. Follow the procedures in Before Working On Your Computer . 2. Remove the ATG Handle (only for E6420 ATG systems). 3. Remove the ATG Port Cover (only for E6420 ATG systems). 4. Remove the Battery . 5. Remove the SD Card . 6. Remove the Optical Drive . 7. Remove the Base Cover . 8. Remove the Hard Drive . 9.[...]

16. Remove the media board from the computer. 74[...]

Installing the Media Board 1. Align the media board to its original position on the computer. 2. Replace and tighten the screws that secure the media board to the computer. 3. Connect the media board cable to the system board. 4. Install the ATG Handle (for E6420 ATG systems only). 5. Install the ATG Port Cover (for E6420 ATG systems only). 6. Inst[...]

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ExpressCard Cage 24 Removing the ExpressCard Cage 1. Follow the procedures in Before Working On Your Computer . 2. Remove the ATG Handle (only for E6420 ATG systems). 3. Remove the ATG Port Cover (only for E6420 ATG systems). 4. Remove the Battery . 5. Remove the SD Card . 6. Remove the Base Cover . 7. Remove the Optical Drive . 8. Remove the Hard [...]

Installing the ExpressCard Cage 1. Align the ExpressCard cage into its slot. 2. Replace and tighten the screws securing the ExpressCard cage to the computer. 3. Install the Palm rest Assembly . 4. Install the Keyboard . 5. Install the Keyboard Trim . 6. Install the Bluetooth Card . 7. Install the Hard Drive . 8. Install the Optical Drive . 9. Insta[...]

System Board Components 25 Removing the System Board 1. Follow the procedures in Before Working On Your Computer . 2. Remove the ATG Handle (only for E6420 ATG systems). 3. Remove the ATG Port Cover (only for E6420 ATG systems). 4. Remove the Battery . 5. Remove the Secure Digital Card . 6. Remove the Base Cover . 7. Remove the ExpressCard . 8. Rem[...]

22. Remove the screws from the video cable holder. 23. Remove the video cable holder. 80[...]

24. Disconnect the video camera and LED cables from the system board. 25. Remove the screw that secures the system board to the computer. 26. Flip and remove the screws from the system board. 81[...]

27. Remove the Smart Card reader cable, Media Board cable, and DC-in Cable. 28. Disconnect the motherboard from the IO Board. 82[...]

29. Slide to unlock system board from the port connectors. 30. Remove the system board. 83[...]

Installing the System Board 1. Align the system board into its original position on the computer. 2. Connect the system board to the I/O board. 3. Connect the Smart Card reader cable, Media Board cable, and DC-in Cable to the system board. 4. Replace and tighten the screws that secure the system board to the computer. 5. Route and connect the video[...]

Speaker 26 Removing the Speakers 1. Follow the procedures in Before Working On Your Computer . 2. Remove the ATG Handle (only for E6420 ATG systems). 3. Remove the ATG Port Cover (only for E6420 ATG systems). 4. Remove the Battery . 5. Remove the Secure Digital Card . 6. Remove the Base Cover . 7. Remove the ExpressCard . 8. Remove the Optical Driv[...]

23. Unthread the speaker cable. 24. Remove the speaker from the system. 86[...]

Installing the Speakers 1. Place the speaker back into the system. 2. Route the speaker cable. 3. Tighten the screws securing the speaker assembly. 4. Install the System Board . 5. Install the ExpressCard Cage . 6. Install the Palmrest Assembly . 7. Install the Modem Card . 8. Install the Keyboard . 9. Install the Keyboard Trim . 10. Install the Bl[...]

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Modem Connector 27 Removing the Modem Connector 1. Follow the procedures in Before Working On Your Computer . 2. Remove the ATG Handle (only for E6420 ATG systems). 3. Remove the ATG Port Cover (only for E6420 ATG systems). 4. Remove the Battery . 5. Remove the Secure Digital Card . 6. Remove the Base Cover . 7. Remove the Modem Connector Plug . 8.[...]

24. Unthread the video and wireless antenna cables. 25. Unthread the modem cable. 90[...]

26. Pull out the end of the modem-to-motherboard connector. 27. Remove screw from modem cable holder. 28. Remove modem cable holder. 91[...]

29. Remove the whole modem cable assembly by pulling it out from the base. 92[...]

Installing the Modem Connector 1. Place the modem cable assembly into the base. 2. Place the modem cable holder. 3. Tighten the screw securing the modem cable holder. 4. Connect the end of the modem-to-motherboard connector. 5. Route the modem cable. 6. Route the video and wireless antenna cables. 7. Install the System Board . 8. Install the Expres[...]

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Input/Output Panel 28 Removing the Input/Output (I/O) Board 1. Follow the procedures in Before Working On Your Computer . 2. Remove the ATG Handle (only for E6420 ATG systems). 3. Remove the ATG Port Cover (only for E6420 ATG systems). 4. Remove the Battery . 5. Remove the Secure Digital Card . 6. Remove the Base Cover . 7. Remove the ExpressCard .[...]

22. Remove the I/O board from the computer. 96[...]

Installing the Input/Output (I/O) Board 1. Replace the I/O board in the computer. 2. Tighten the screw securing the I/O board to the computer. 3. Install the System Board . 4. Install the ExpressCard Cage 5. Install the Palmrest Assembly . 6. Install the Modem Card . 7. Install the Keyboard . 8. Install the Keyboard Trim . 9. Install the Bluetooth [...]

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DC-In Port 29 Removing DC-in Port 1. Follow the procedures in Before Working On Your Computer . 2. Remove the ATG Handle (only for E6420 ATG systems). 3. Remove the ATG Port Cover (only for E6420 ATG systems). 4. Remove the Battery . 5. Remove the Secure Digital Card . 6. Remove the Base Cover . 7. Remove the ExpressCard . 8. Remove the Optical Dri[...]

23. Remove the DC-in bracket. 24. Remove the DC-in cable from the system. 100[...]

25. Push in the DC-in trim and remove it from the system. 101[...]

Installing DC-In Port 1. Push the DC-in trim and place it into the system. 2. Place the DC-in cable into the system. 3. Insert the DC-in bracket. 4. Tighten the screw securing the DC-in bracket. 5. Install the System Board . 6. Install the ExpressCard Cage . 7. Install the Palmrest Assembly . 8. Install the Modem Card . 9. Install the Keyboard . 10[...]

Display Assembly 30 Removing the Display Assembly 1. Follow the procedures in Before Working On Your Computer . 2. Remove the ATG Handle (only for E6420 ATG systems). 3. Remove the ATG Port Cover (only for E6420 ATG systems). 4. Remove the Battery . 5. Remove the Secure Digital Card . 6. Remove the Base Cover . 7. Remove the ExpressCard . 8. Remove[...]

24. Unthread the antennas, video, and camera connectors. 25. Lift up the whole bottom base while threading the cable down via the bottom base. 104[...]

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Installing the Display Assembly 1. Align the display assembly into its original position on the computer. 2. Route the antennas, video, and camera connectors. 3. Install the DC in port . 4. Install the System Board . 5. Install the ExpressCard Cage 6. Install the Palmrest Assembly . 7. Install the Modem Card . 8. Install the Keyboard . 9. Install t[...]

Display Hinges 31 Removing the Display Hinge Covers 1. Follow the procedures in Before Working On Your Computer . 2. Remove the ATG Handle (only for E6420 ATG systems). 3. Remove the ATG Port Cover (only for E6420 ATG systems). 4. Remove the Battery . 5. Remove the Secure Digital Card . 6. Remove the Base Cover . 7. Remove the ExpressCard . 8. Remo[...]

25. Remove the display hinge cover from the left hinge. 26. Pry the display hinge cover from the right hinge. 27. Remove the display hinge cover from the right hinge. 108[...]

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Installing the Display Hinge Covers 1. Place the display hinges in the appropriate positions. 2. Replace the display hinge cover to the computer. 3. Install the Display Assembly . 4. Install the DC-in port . 5. Install the System Board . 6. Install the ExpressCard Cage 7. Install the Palmrest Assembly . 8. Install the Modem Card . 9. Install the Ke[...]

Display Bezel 32 Removing the Display Bezel 1. Follow the procedures in Before Working On Your Computer . 2. Remove the Battery . 3. Pry the left and right edges of the display bezel. 4. Work along to the top and bottom edges of the display bezel. 5. Remove the display bezel. 111[...]

Installing the Display Bezel 1. Place the display bezel into the system. 2. Work along to the top and bottom edges of the display bezel. 3. Press the left and right edges of the display bezel. 4. Install the Battery . 5. Follow the procedures in After Working Inside Your Computer . 112[...]

Display Panel 33 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 securing the display panel to the display assembly. 5. Flip the display panel over. 113[...]

6. Disconnect the Low-Voltage Differential Signaling (LVDS) cable connector tape from the display panel. 7. Disconnect the Low-Voltage Differential Signaling (LVDS) cable from the display panel. 8. Remove the display panel from the display assembly. 114[...]

Installing the Display Panel 1. Align the display panel in its original position on the display assembly. 2. Connect the Low-Voltage Differential Signaling (LVDS) cable to the display panel. 3. Tighten the screws securing the display panel to the display assembly. 4. Install the LCD Bezel . 5. Install the Battery . 6. Follow the procedures in After[...]

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Display Bracket 34 Removing the Display Bracket 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. Remove the screws from each side of the display panel and remove the display brackets. Installing the Display Bracket 1. Place the display brackets and t[...]

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Camera 35 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 from the camera. 6. Remove the captive screw securing the camera to the display assembly. 119[...]

7. Remove the camera from the display assembly. Installing the Camera 1. Place the camera module in its original position in the display assembly. 2. Tighten the screw securing the camera to the display assembly. 3. Connect the camera cable to the camera. 4. Install the Display Panel . 5. Install the Display Bezel . 6. Install the Battery . 7. Foll[...]

Specifications 36 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 four-channel high definition audio Controller IDT 92HD90 Stereo conversion 24-bit (analog-to-digital and digital-to-analog) Interface: Internal high definition audio External microphone-in/stereo headphones/external speakers connector Speakers two Internal speaker amplifier 0.5 W (typical) per channel Volume controls keyboard function ke[...]

Communications Wireless internal wireless local area network (WLAN) and wireless wide area network (WWAN) Ports and Connectors Audio one microphone connector/stereo headphones/ external speakers connector Video • one 15-pin VGA connector • one 19-pin HDMI connector Network adapter one RJ-45 connector USB three 4-pin USB 2.0-compliant connectors[...]

Display Latitude E6420 ATG 730 nits Operating angle 0° (closed) to 135° Refresh rate 60 Hz Minimum Viewing angles: Latitude E6420 Horizontal +/- 40° Vertical +10°/-30° Latitude E6420 ATG Horizontal +/- 50° Vertical +/- 40° Pixel pitch 0.2265 mm Keyboard Number of keys United States: 86 keys, United Kingdom: 87 keys, Brazil: 87 keys, and Japa[...]

Battery Depth 48.08 mm (1.90 inches) Height 20.00 mm (0.79 inch) Width 208.00 mm (8.19 inches) 9-cell Depth 71.79 mm (2.83 inches) Height 20.00 mm (0.79 inch) Width 214.00 mm (8.43 inches) Weight: 6-cell 345.00 g (0.76 lb) 9-cell 524.00 g (1.16 lb) Charge time for a 6-cell battery with computer off approximately 1 hour to 80% capacity and 2 hours t[...]

AC Adapter NOTE: 65 W AC adapter is available only for computers with integrated video card. Input voltage 100 VAC to 240 VAC 100 VAC to 240 VAC Input current (maximum) 1.50 A/1.60 A/1.70 A/ 2.10 A 1.50 A/1.60 A/1.70 A Input frequency 50 Hz to 60 Hz 50 Hz to 60 Hz Output power 65 W, 90 W, and 150 W 90 W Output current 3.34 A, 4.62 A and 7.70 A (con[...]

Physical Height 29.00 mm to 37.70 mm (1.14 inches to 1.48 inches) Width 357.30 mm (14.07 inches) Depth 246.50 mm (9.70 inches) Weight (with 6-cell battery and air bay) 2.69 kg (5.93 lb) Environmental Temperature: Latitude E6420 Operating 0 °C to 35 °C (32 °F to 95 °F) Storage –40 °C to 65 °C (–40 °F to 149 °F) Latitude E6420 ATG Operati[...]

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System Setup 37 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. Before you use System Setup, i[...]

General Option Description System Information This section lists the primary hardware features of your computer. • System Information • Memory Information • Processor Information • Device Information Battery Information Displays the battery status and the type of AC adapter connected to the computer. Boot Sequence Allows you to change the o[...]

Option Description • Enabled w/PXE Default Setting: Enabled w/PXE System Management Allows you to control the systems management mechanism. The options are: • Disabled • DASH/ASF 2.0 Default Setting: DASH/ASF 2.0 Parallel Port Allows you to configure the parallel port on the docking station. The options are: • Disabled • AT • PS2 • EC[...]

Option Description USB Controller Allows you to control the USB controller. The options are: • Enable Boot Support • Enable External USB Port Default Setting: Enable USB Controller and Enable External USB Port Miscellaneous Devices Allows you to enable or disable the following devices: • Internal Modem • Microphone • eSATA Ports • Hard [...]

Option Description • SATA-5 Default Setting: All drives are enabled. Video Option Description LCD Brightness Allows you to set the display brightness depending on the power source (On Battery and On AC). Enable Optimus This option enables or disables the Nvidia Optimus Technology applicable to Windows 7 only. Security Option Description Admin Pas[...]

Option Description NOTE: Successful password changes take effect immediately. Default Setting: Not set Password Bypass Allows you to enable or disable the permission to bypass the System and the Internal HDD password, when they are set. The options are: • Disabled • Reboot bypass Default Setting: Disabled Password Change Allows you to enable th[...]

Option Description NOTE: The Activate and Disable options will permanently activate or disable the feature and no further changes will be allowed. Default Setting: Deactivate CPU XD Support Allows you to enable the Execute Disable mode of the processor. Default Setting: Enabled Non-Admin Setup Changes Allows you to determine whether changes to the [...]

Option Description Default Setting: The options C states , C3 , C6 , Enhanced C-states , and C7 options are selected/enabled. Limit CPUID Allows you to limit the maximum value the processor Standard CPUID Function will support. Default Setting: Enable CPUID Limit Intel TurboBoost Allows you to enable or disable the Intel TurboBoost mode of the proc[...]

Option Description NOTE: This feature is only functional when the AC power adapter is connected. If the AC power adapter is removed during Standby, the system setup will remove power from all of the USB ports to conserve battery power. Wireless Radio Control Allows you to enable or disable the feature that automatically switches from wired or wirel[...]

POST Behavior Option Description 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 is selected. Keypad (Embedded) Allows you to choose one or two methods to enable the keypad that is embedded in the internal keyboard. • Fn Key Onl[...]

Option Description • Minimal • Thorough • Auto Default Setting: Thorough Virtualization Support Option Description Virtualization Allows you to enable or disable the Intel Virtualization Technology. Default Setting: Enable Intel Virtualization Technology is selected. VT for Direct I/O Allows you to enable or disable Virtualization Technology [...]

Option Description Default Setting: All the options are selected. Maintenance Option Description Service Tag Displays the Service Tag of your computer. NOTE: If a Service Tag has not been set for this system, the computer will automatically bring up this screen when users enter the BIOS. You will be prompted to enter the Service Tag. Asset Tag Disp[...]

Diagnostics 38 Diagnostic LED Codes The following table shows the possible LED codes that may display when your computer is unable to complete a power on self test. Appearance Description Next Step Stora ge LED Powe r LED Wirel ess LED Blinki ng Solid Solid The micro- controller is handing control of the system to the processor. This code persists [...]

Appearance Description Next Step Blinki ng Off Blinki ng USB controller error Unplug the USB device (if any) Solid Blinki ng Blinki ng No SODIMMs are installed 1. Install supported memory modules. 2. If memory is already present, re-seat the module(s) one at a time in each slot. 3. Try known good memory from another computer or replace the memory. [...]

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. 143[...]

144[...]

Contacting Dell 39 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[...]