Dell XPS 17 9720 Service Manual - Page 31

I/O board, Removing the I/O board

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Steps 1. Align the screw holes on the heat sink with the screw holes on the system board. 2. In sequential order (1 > 2 > 3 > 4 > 5 > 6 > 7), as indicated by the numbers on the heat sink, tighten the seven captive screws to secure the heat sink to the system board. Next steps 1. Install the base cover. 2. Follow the procedure in After working inside your computer. I/O board Removing the I/O board Prerequisites 1. Follow the procedure in Before working inside your computer. 2. Remove the base cover. About this task The following image indicates the location of the I/O board and provides a visual representation of the removal procedure. Removing and installing components 31

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Steps
1.
Align the screw holes on the heat sink with the screw holes on the system board.
2.
In sequential order (1 > 2 > 3 > 4 > 5 > 6 > 7), as indicated by the numbers on the heat sink, tighten the seven captive
screws to secure the heat sink to the system board.
Next steps
1.
Install the
base cover
.
2.
Follow the procedure in
After working inside your computer
.
I/O board
Removing the I/O board
Prerequisites
1.
Follow the procedure in
Before working inside your computer
.
2.
Remove the
base cover
.
About this task
The following image indicates the location of the I/O board and provides a visual representation of the removal procedure.
Removing and installing components
31