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Left I/O Board

Dell Precision™ M6400 Service Manual

  Removing the Left I/O Board

  Replacing the Left I/O Board

Removing the Left I/O Board

CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage on www.dell.com at: www.dell.com/regulatory_compliance.

1. Follow the instructions in Before Working on Your Computer.
   
   
2. Remove the base assembly cover (see Removing the Base Assembly Cover).
   
   
3. Remove the secondary hard drive (see Removing the Secondary Hard Drive (HDD2)).
   
   
4. Remove the display assembly (see Removing the Edge-to-Edge Display or Removing the Display Assembly).
   
   
5. Remove the LED cover (see Removing the LED Cover).
   
   
6. Remove the keyboard (see Removing the Keyboard).
   
   
7. Remove the palm rest (see Removing the Palm Rest Assembly).
   
   
8. Remove the card cage (see Removing the Card Cage).
   
   
9. Remove the four M2 x 3-mm screws on the left I/O board.
   
   
10. Lift the left I/O board at an angle to ease the connectors from the base assembly
    
    
11. Disconnect the IEEE 1394 cable from the underside of the left I/O board.
    
    

Replacing the Left I/O Board

CAUTION: Before working inside your computer, read the safety information that shipped with your computer. For additional safety best practices information, see the Regulatory Compliance Homepage on www.dell.com at: www.dell.com/regulatory_compliance.

1. Connect the IEEE 1394 cable to the connector on the underside of the left I/O board.
   
   
2. Align the connectors on the left I/O board with the connector slots on the base assembly.
   
   
3. Set the left I/O board in at an angle and press down on the board to ensure it connects firmly to the system board.
   
   
4. Replace the four M2 x 3-mm screws.
   
   
5. Replace the card cage (see Replacing the Card Cage).
   
   
6. Replace the palm rest assembly (Replacing the Palm Rest Assembly).
   
   
7. Replace the keyboard (see Replacing the Keyboard).
   
   
8. Replace the LED cover (see Replacing the LED Cover).
   
   
9. Replace the display assembly (see Replacing the Edge-to-Edge Display or Replacing the Display Assembly).
   
   
10. Replace the secondary hard drive (see Replacing the Secondary Hard Drive (HDD2)).
    
    
11. Replace the base assembly cover (see Replacing the Base Assembly Cover).
    
    
12. Follow the procedures in After Working on Your Computer.
    
    

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