Dell XPS 27 7760 XPS 27 Service Manual - Page 113

Removing the system board, Prerequisites

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Removing the system 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. NOTE: Your computer's Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board. NOTE: Replacing the system board removes any changes you have made to the BIOS using the BIOS setup program. You must make the appropriate changes again after you replace the system board. NOTE: Before disconnecting the cables from the system board, note the location of the connectors so that you can reconnect the cables correctly after you replace the system board. Prerequisites 1 Remove the USB dongle-bay cover. 2 Remove the back cover. 3 Remove the memory modules. 4 Remove the stand. 5 Remove the chassis fan. 6 Remove the inner frame. 7 Remove the system-board shield. 8 Remove the I/O panel. 9 Remove the processor heat-sink. 10 Remove the processor. 11 Remove the coin-cell battery. 12 Remove the memory fan. 13 Remove the wireless card. 113

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Removing the system 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
.
NOTE: Your computer’s Service Tag is stored in the system board. You must
enter the Service Tag in the BIOS setup program after you replace the
system board.
NOTE: Replacing the system board removes any changes you have made to
the BIOS using the BIOS setup program. You must make the appropriate
changes again after you replace the system board.
NOTE: Before disconnecting the cables from the system board, note the
location of the connectors so that you can reconnect the cables correctly
after you replace the system board.
Prerequisites
1
Remove the
USB dongle-bay cover
.
2
Remove the
back cover
.
3
Remove the
memory modules
.
4
Remove the
stand
.
5
Remove the
chassis fan
.
6
Remove the
inner frame
.
7
Remove the
system-board shield
.
8
Remove the
I/O panel
.
9
Remove the
processor heat-sink
.
10
Remove the
processor
.
11
Remove the
coin-cell battery
.
12
Remove the
memory fan
.
13
Remove the
wireless card
.
113