Replacing The Keyboard Assembly; Display And Bezel Assemblies - Dell Precision M40 Service Manual

Keyboard Removal
5. Lift the right end of the keyboard and slide it slightly toward the right side of the computer to disengage the tabs at the left end.
6. Pivot the keyboard and balance it upright on the left side of the computer.
Keyboard Cable
7. Disconnect the keyboard cable and lay the keyboard assembly aside.

Replacing the Keyboard Assembly

1. While bracing the keyboard assembly upright on its left end, connect the keyboard cable to the interface connector on the system board.
NOTICE: Position the keyboard/track stick flex cable so it is not pinched when you replace the keyboard in the bottom case assembly.
2. Insert the metal tabs at the left end of the keyboard under the edge of the bottom case assembly, and fit the keyboard into place.
3. Check that the keyboard is correctly installed. The keys should be flush with the left and right surfaces of the palmrest.
4. Reinstall the four screws in the holes labeled "circle K."

Display and Bezel Assemblies