Dell Inspiron N7110 Service Manual page 70

9 Follow the instructions from step 6 to step 8 in "Removing the Hard Drive"
on page 49.
10 Remove the thermal fan (see "Removing the Thermal Fan" on page 65).
11 Disconnect the speaker cable, subwoofer cable, status-light board cable,
camera cable, and AC-adapter connector cable from the connectors on the
system board.
12 Lift the connector latch that secures the display cable to the connector on
the system board and disconnect the display cable.
13 Remove the six screws that secure the system board to the computer base.
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System Board
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