Dell Inspiron 8100 - Manual (Page 21)

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.
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 palm rest.
4. Reinstall the four screws in the holes labeled "circle K."
Display and Bezel Assembly
NOTICE: Position the keyboard/track stick flex cable so that it is not pinched when you replace the keyboard in the bottom case assembly.