Dell XPS M140 Service Manual page 50

1 modem/Mini PCI/wireless cover
8. Remove the eleven M2.5 x 8-mm screws securing the palm rest from the bottom of the computer.
1 M2.5 x 8-mm screws (11)
9. Turn the computer over and remove the four M2.5 x 5-mm screws securing the top of the palm rest.
NOTICE: Release the locking tabs on both sides of the system board connector before attempting to remove the
touch pad or LED cable. Failure to release the locking tabs could result in damage to the cable and/or the cable
2 captive screws (2)