Dell XPS M1730 Service Manual page 51

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NOTICE:
Pull on the plastic tab on top of the connectors to avoid damaging the
connectors.
8 Disconnect the touch pad cable from the system board.
NOTICE:
Carefully separate the palm rest from the computer base to avoid damage
to the palm rest.
9 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.
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touch pad cable
Palm Rest
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