Replacing the I/O board
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in
Before working inside your computer. After working inside your
computer, follow the instructions in After working inside your
computer. For more safety best practices, see the Regulatory
Compliance home page at www.dell.com/regulatory_compliance.
Procedure
1 Using the alignment posts, place the I/O board on the palmrest and
keyboard assembly.
2 Align the screw hole on the I/O board with the screw hole on the
palmrest and keyboard assembly.
3 Replace the screw that secures the I/O board to the palmrest and
keyboard assembly.
4 Connect the power and volume-buttons board cable to the I/O board.
5 Connect the I/O-board cable to the I/O board.
Post-requisites
1 Replace the coin-cell battery.
2 Replace the wireless card.
3 Follow the procedure from step 4 to step 6 in “Replacing the hard drive”.
4 Replace the battery.
5 Replace the base cover.
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