Dell XPS 27 7760 XPS 27 Service Manual - Page 75

Removing the display built-in self test button board, Prerequisites, Procedure

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Removing 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. Prerequisites 1 Remove the USB dongle-bay cover. 2 Remove the back cover. 3 Remove the stand. 4 Remove the inner frame. Procedure 1 Remove the power-button cable from the routing guide on the power-button board shield. 2 Remove the two screws (M2X3) that secure the power-button board shield to the middle frame. 3 Lift the power-button board shield off the middle frame. 4 Disconnect the Display Built-in Self Test button cable from the power-button board. 5 Remove the Display Built-in Self Test button cable from the routing guide on the middle frame. 6 Remove the two screws (M2X3) that secure the Display Built-in Self Test button board to the middle frame. 75

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Removing 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
.
Prerequisites
1
Remove the
USB dongle-bay cover
.
2
Remove the
back cover
.
3
Remove the
stand
.
4
Remove the
inner frame
.
Procedure
1
Remove the power-button cable from the routing guide on the power-button
board shield.
2
Remove the two screws (M2X3) that secure the power-button board shield to
the middle frame.
3
Lift the power-button board shield
off
the middle frame.
4
Disconnect the Display Built-in Self Test button cable from the power-button
board.
5
Remove the Display Built-in Self Test button cable from the routing guide on the
middle frame.
6
Remove the two screws (M2X3) that secure the Display Built-in Self Test button
board to the middle frame.
75