Dell XPS 17 9720 Service Manual - Page 38

System board, System board callouts, Removing the system board

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System board System board callouts 1. Power-button cable 2. Left fan cable 3. Left speaker cable 4. Keyboard cable 5. Antenna cables 6. Right speaker cable 7. Right fan cable 8. Display cable and camera cable Removing the system board Prerequisites 1. Follow the procedure in Before working inside your computer. NOTE: The Service Tag of your computer is stored in the system board. Enter the Service Tag in the BIOS setup program after you replace the system board. NOTE: Replacing the system board removes any changes that you have made to the BIOS using the BIOS setup program. 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. 2. Remove the base cover. 3. Remove the battery. 4. Remove the memory module. 5. Remove the M.2 2230 solid-state drive from the SSD1 slot. 6. Remove the M.2 2280 solid-state drive from the SSD2 slot. 7. Remove the heat sink (for systems shipped with integrated graphics) or the heat sink (for systems shipped with discrete graphics). 8. Remove the right fan. 9. Remove the left fan. 10. Remove the I/O board. About this task The following images indicate the location of the system board and provide a visual representation of the removal procedure. 38 Removing and installing components

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System board
System board callouts
1.
Power-button cable
2.
Left fan cable
3.
Left speaker cable
4.
Keyboard cable
5.
Antenna cables
6.
Right speaker cable
7.
Right fan cable
8.
Display cable and camera cable
Removing the system board
Prerequisites
1.
Follow the procedure in
Before working inside your computer
.
NOTE:
The Service Tag of your computer is stored in the system board. Enter the Service Tag in the BIOS setup
program after you replace the system board.
NOTE:
Replacing the system board removes any changes that you have made to the BIOS using the BIOS setup
program. 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.
2.
Remove the
base cover
.
3.
Remove the
battery
.
4.
Remove the
memory module
.
5.
Remove the
M.2 2230 solid-state drive
from the SSD1 slot.
6.
Remove the
M.2 2280 solid-state drive
from the SSD2 slot.
7.
Remove the
heat sink (for systems shipped with integrated graphics)
or the
heat sink (for systems shipped with discrete
graphics)
.
8.
Remove the
right fan
.
9.
Remove the
left fan
.
10.
Remove the
I/O board
.
About this task
The following images indicate the location of the system board and provide a visual representation of the removal procedure.
38
Removing and installing components