Replacing the I/O board
NOTE: 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.
Topics:
• Procedure
• Post-requisites
Procedure
NOTE: Ensure that the left hinge is opened to the maximum before replacing the I/O board on palm-rest and keyboard
assembly.
1. Using the alignment posts, place the I/O board on the palm-rest and keyboard assembly.
2. Replace two screws (M2x2) that secure the I/O board to the palm-rest and keyboard assembly.
3. Open the latch for securing the fingerprint reader cable to the I/O board, then connect the cable to the I/O board–Optional
for computers shipped with fingerprint readers.
4. Open the latch for securing the I/O-board cable to the I/O board, then connect the cable to the I/O board.
5. Close the left hinge down on to the palm-rest and keyboard assembly.
6. Replace the two screws (M2.5x4) that secure the left hinge to the palm-rest and keyboard assembly.
Post-requisites
1. Replace the wireless card.
2. Replace the solid-state drive.
3. Replace the base cover
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Replacing the I/O board 47
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