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Base Assembly

Dell™ Latitude™ E6400 and E6400 ATG and
Mobile Workstation Precision™ M2400 Service Manual

  Removing the Bottom of the Base Assembly

  Replacing the Bottom of the Base Assembly

  Removing the Base Assembly

  Replacing the Base Assembly

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer.

Removing the Bottom of the Base Assembly

1. Follow the procedures in Before Working on Your Computer.
   
   
2. Close the display and turn the computer upside down.
   
   
3. Loosen the captive screw.
   
   
4. Slide the bottom of the base assembly away from the hinge covers, and lift to remove the bottom of the base assembly.
   
   

Replacing the Bottom of the Base Assembly

1. Slide the bottom of the base assembly into place.
   
   
2. Tighten the captive screw.
   
   
3. Follow the procedures in After Working on Your Computer.
   
   

Removing the Base Assembly

1. Follow the procedures in Before Working on Your Computer.
   
   
2. Remove the bottom of the base assembly (see Removing the Bottom of the Base Assembly).
   
   
3. Remove the card in the WWAN/FCM card slot, if present (see Removing a WWAN Card or Removing an FCM from the WWAN/FCM Slot).
   
   
4. Remove the card from the WLAN/WiMax card slot, if present (see Removing the WLAN/WiMax Card).
   
   
5. Remove the hinge covers (see Removing the Hinge Covers).
   
   
6. Remove the card from the WPAN/UWB/FCM card slot, if present (see Removing a WPAN (UWB/BT) Card or Removing an FCM from the WPAN/UWB/FCM Slot).
   
   
7. Remove the heatsink assembly (see Removing the Processor Heatsink Assembly).
   
   
8. Remove the hard drive (see Removing the Hard Drive).
   
   
9. Remove the modular drive (see Removing the Modular Drive).
   
   
10. Remove the display assembly (see Removing the Display Assembly (E6400 and M2400) or Removing the Display Assembly (E6400 ATG)).
    
    
11. Remove the LED cover (see Removing the LED Cover).
    
    
12. Remove the keyboard (see Removing the Keyboard).
    
    
13. Remove the right speaker grill (see Removing the Right Speaker Grill/Fingerprint Reader Assembly).
    
    
14. Remove the palm rest assembly (see Removing the Palm Rest Assembly).
    
    
15. Remove the card cage (see Removing the Card Cage).
    
    
16. Remove the coin-cell battery (see Removing the Coin-Cell Battery).
    
    
17. Remove the system board (see Removing the System Board Assembly).
    
    
18. Remove the modem (see Removing the Modem).
    
    
19. Remove the RJ-11 modem connector (see Removing the RJ-11 Modem Connector).
    
    
20. Remove the I/O card (see Removing the I/O Card).
    
    

Replacing the Base Assembly

1. Replace the I/O card (see Replacing the I/O Card).
   
   
2. Replace the RJ-11 modem connector (see Replacing the RJ-11 Modem Connector).
   
   
3. Replace the modem (see Replacing the Modem).
   
   
4. Replace the system board (see Replacing the System Board Assembly).
   
   
5. Replace the coin-cell battery (see Replacing the Coin-Cell Battery).
   
   
6. Replace the card cage (see Replacing the Card Cage).
   
   
7. Replace the palm rest assembly (see Replacing the Palm Rest Assembly).
   
   
8. Replace the right speaker grill (see Replacing the Right Speaker Grill/Fingerprint Reader Assembly).
   
   
9. Replace the keyboard (see Replacing the Keyboard).
   
   
10. Replace the LED cover (see Replacing the LED Cover).
    
    
11. Replace the display assembly (see Replacing the Display Assembly (E6400 and M2400) or Replacing the Display Assembly (E6400 ATG)).
    
    
12. Replace the modular drive (see Replacing the Modular Drive).
    
    
13. Replace the hard drive (see Replacing the Hard Drive).
    
    
14. Replace the heatsink assembly (see Replacing the Processor Heatsink Assembly).
    
    
15. Replace the card in the WPAN/UWB/FCM card slot, if applicable (see Replacing a WPAN (UWB/BT) Card or Replacing an FCM).
    
    
16. Replace the hinge covers (see Replacing the Hinge Covers).
    
    
17. Replace the card from the WLAN/WiMax card slot, if applicable (see Replacing the WLAN/WiMax Card).
    
    
18. Replace the card from the WWAN/FCM card slot, if applicable (see Replacing a WWAN Card or Replacing an FCM).
    
    
19. Replace the bottom of the base assembly (see Replacing the Bottom of the Base Assembly).
    
    
20. Follow the procedures in After Working on Your Computer.
    
    

NOTE: If you use a BIOS update program disc to flash the BIOS, press <F12> before inserting the disc in order to set the computer to boot from the disc for one time only. Otherwise, you must enter the system setup program to change the default boot order.

21. Flash update the BIOS (see Flashing the BIOS for more information).
    
    
22. Enter the system setup program to update the BIOS on the new system board with the computer Service Tag. For information on the system setup program, see the Dell™ Technology Guide on your computer or at support.dell.com.
    
    

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