Dell XPS 27 7760 XPS 27 Service Manual - Page 77

Replacing the display built-in self test button board, Procedure, Post-requisites

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Replacing the display built-in self test button 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 Display Built-in Self Test button board on the middle frame. 2 Align the screw holes on the Display Built-in Self Test button board with the screw holes on the middle frame. 3 Replace the two screws (M2X3) that secure the Display Built-in Self Test button board to the middle frame. 4 Route the Display Built-in Self Test button cable through the routing guides. 5 Connect the Display Built-in Self Test button cable to the power-button board. 6 Place the power-button board shield on the middle frame. 7 Align the screw holes on the power-button board shield with the screw holes on the middle frame. 8 Replace the two screws (M2X3) that secure the power-button board shield to the middle frame. 9 Route the power-button cable through the routing guides on the power-button board shield.. Post-requisites 1 Replace the inner frame. 2 Replace the stand. 3 Replace the back cover. 4 Replace the USB dongle-bay cover. 77

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Replacing the display built-in self
test button 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 Display Built-in Self Test button board on the middle frame.
2
Align the screw holes on the Display Built-in Self Test button board with the
screw holes on the middle frame.
3
Replace the two screws (M2X3) that secure the Display Built-in Self Test button
board to the middle frame.
4
Route the Display Built-in Self Test button cable through the routing guides.
5
Connect the Display Built-in Self Test button cable to the power-button board.
6
Place the power-button board shield on the middle frame.
7
Align the screw holes on the power-button board shield with the screw holes on
the middle frame.
8
Replace the two screws (M2X3) that secure the power-button board shield to
the middle frame.
9
Route the power-button cable through the routing guides on the power-button
board shield..
Post-requisites
1
Replace the
inner frame
.
2
Replace the
stand
.
3
Replace the
back cover
.
4
Replace the
USB dongle-bay cover
.
77