Dell Latitude D420 Service Manual page 28

1 M2.5 x 5-mm screws (6)
NOTICE: Pull on the plastic tab on top of the connectors to avoid damaging the connectors.
11. Disconnect the speaker connector from the system board.
12. Disconnect the Secure Digital/SIM card reader cable from the system board.
13. Disconnect the touch pad cable from the system board.
14. Lift the plastic bar on the LED board connector and disconnect the LED board cable from the system board.
1 speaker connector 2 Secure Digital/SIM card reader cable
connector
4 LED board
connector
NOTICE: Carefully separate the palm rest from the computer base to avoid damage to the palm rest.
15. Starting at the back center of the palm rest, use your fingers to separate the palm rest from the computer base by lifting the inside of the palm rest
while pushing in on the outside.
3 touch pad
connector