Dell XPS 15 (L501X, Late 2010) - Manual (Page 31)

Palm-Rest Assembly 31
CAUTION: Carefully separate the palm-rest assembly from the top cover to avoid
damage to the palm-rest assembly.
7 Without pulling hard on the palm-rest assembly, place it away from the
display as shown in the following illustration.
8 Lift the connector latch and pull the pull-tab to disconnect the touch-pad
cable and the power button cable from the system-board connectors.
9 Lift the palm-rest assembly off the top cover.
1 top cover 2 palm-rest assembly
2
1