Dell Precision M90 - Manual (Page 40)

9. Turn the computer top-side up and disconnect the touch-pad connector from the system board.
10. Disconnect the LED board connector.
11. Lift the palm rest and remove it from the computer.
Replacing the Palm Rest
1. Align the palm rest with the base and gently snap the palm rest into place.
2. Reconnect the touch-pad connector to the system board.
3. Reconnect the LED board connector to the system board.
4. Replace the coin-cell battery (see Replacing the Coin-Cell Battery ).
5. Replace the six M2.5 x 5-mm screws on the top side of the palm rest.
6. Turn the computer upside-down, and replace the 12 M2.5 x 8-mm screws on the bottom of the computer.
7. Replace the display assembly (see Replacing the Display Assembly ).
8. Replace the keyboard (see Keyboard ).
9. Replace the hinge cover (see Replacing the Hinge Cover ).
1 M2.5 x 8-mm screws (12)
1 touch-pad connector 2 LED board connector