Dell Inspiron M411R (Mid 2011) - Manual (Page 32)

32 Palm-Rest Assembly
7 Remove the five screws on the palm-rest assembly.
CAUTION: Pull on the plastic tab on top of the connectors to avoid damaging the
connectors.
8 Lift the connector latches and pull the pull-tabs to disconnect the
power-button cable, touch-pad cable, and hot-key board cable from the
connectors on the system board.