Removing The Led Board; Replacing The Led Board; Removing The Fan Assembly - Dell Precision M40 Service Manual

Removing the LED Board

1. Follow the instructions in "Preparing to Work Inside the
2. Remove the hinge cover.
3. Remove the two 4-mm screws.
4. Lift the LED board away from its connector.

Replacing the LED Board

1. Align the two screw holes with the two mounting holes on the bottom case assembly, and press the board into its connector.
2. Replace the two 4-mm screws.
Fan Assembly
NOTICE: Disconnect the computer and attached devices from electrical outlets and remove any installed batteries.
NOTICE: To avoid ESD, ground yourself by using a wrist grounding strap or by periodically touching unpainted metal on the computer.
Fan Assembly

Removing the Fan Assembly

1. Follow the instructions in "Preparing to Work Inside the
2. Remove the system board.
3. Remove the three 4-mm screws from the fan assembly.
4. Disconnect the two fan cables from the system board.
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