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Palm Rest

Dell™ Latitude™ C540/C640 Service Manual

Removing the Palm Rest

NOTICE: Disconnect the computer and any attached devices from electrical outlets, and remove any installed batteries.

NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by touching an unpainted metal surface on the computer.

NOTICE: Read "Preparing to Work Inside the Computer" before performing the following procedure.

1. Remove the hard drive.
   
   
2. Remove the keyboard.
   
   

NOTICE: You must remove the display assembly before you remove the palm rest; the display hinges pass through the back of the palm rest.

3. Remove the display assembly and hinge covers.
   
   
4. Turn the computer over and remove the three M2.5 x 12-mm screws labeled "circle P."
   
   

1	M2.5 x 12-mm screws (3)
2	M2 x 3-mm screws (2)
3	hard-drive bay door

5. Remove the two M2 x 3-mm screws that are located in the hard-drive bay door labeled "circle P."
   
   
6. Turn the computer over, and remove the three M2 x 3-mm screws that secure the palm rest to the bottom case:
   
   
   1. Remove the two M2 x 3-mm screws that are located on the back edge of the bottom case, underneath the display assembly.
      
      
   2. Remove the M2 x 3-mm screw located near the right side of the bottom case, next to the microprocessor thermal cooling assembly and opposite the S-video TV-out connector.
      
      
7. Pull up on the pull-tab that is attached to the palm-rest flex cable connector to remove it from the interface connector on the system board.
   
   

1	M2 x 3-mm screws (3)
2	palm rest
3	palm-rest flex cable
4	bottom case
5	interface connector for palm-rest flex cable
6	back center of the palm rest

NOTICE: Carefully separate the palm rest from the bottom case to avoid damage to the palm rest.

8. Starting at the back center of the palm rest, use your fingers to separate the palm rest from the bottom case by lifting the inside of the palm rest while pushing in on the outside.
   
   

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