Dell XPS 27 7760 XPS 27 Service Manual - Page 83

Replacing the I/O panel, Procedure, Post-requisites

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Replacing the I/O panel 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 Replace the Diagnostic light button board. 2 Replace USB-dongle port. 3 Connect the USB-dongle cable to the system board. 4 Align the screw holes on the I/O-board panel with the screw holes on the middle frame. 5 Replace the four screws (M3X4) that secure the I/O panel to the middle frame and system board. 6 Connect the diagnostic button and light cable. 7 Connect the power-button cable. Post-requisites 1 Replace the inner frame. 2 Replace the system-board shield. 3 Replace the stand. 4 Replace the back cover. 5 Replace the USB dongle-bay cover. 83

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Replacing the I/O panel
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
Replace the
Diagnostic light button board
.
2
Replace
USB-dongle port
.
3
Connect the USB-dongle cable to the system board.
4
Align the screw holes on the I/O-board panel with the screw holes on the middle
frame.
5
Replace the four screws (M3X4) that secure the I/O panel to the middle frame
and system board.
6
Connect the diagnostic button and light cable.
7
Connect the power-button cable.
Post-requisites
1
Replace the
inner frame
.
2
Replace the
system-board shield
.
3
Replace the
stand
.
4
Replace the
back cover
.
5
Replace the
USB dongle-bay cover
.
83