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 Place the I/O board along with its cables on the display-assembly base and align the screw holes on the I/O board with the screw
holes on the display-assembly base.
NOTE: Ensure that the USB Type-C port on the I/O board is in the Type-C bracket on the display-assembly base.
2 Replace the two screws (M2.5x3.5) that secure the I/O board to the display-assembly base.
3 Route the headset-port cable through the routing guide on the I/O board.
4 Place and align the screw holes on the I/O-board shield to the screw holes on the display-assembly base.
5 Replace the two screws (M3x5) that secure the I/O-board shield to the display-assembly base.
6 Route the headset-port cable, I/O-board cable, and I/O-board power cable through the routing guides on the display-assembly base.
7 Connect the headset-port cable to the system board.
8 Connect the I/O-board power cable to the system board.
9 Connect the I/O-board cable to the system board.
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64 Replacing the I/O board
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