System Board; Removing The System Board - Dell XPS 17 9700 Service Manual

System board

Removing the system board

Prerequisites
1. Follow the procedure in
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 modules.
5. Remove the M.2 2230 solid-state drive
6. Remove the M.2 2230 solid-state drive
7. Remove the heat sink.
NOTE: The system board can be removed or installed together with the heat sink attached. This simplifies the
procedure and avoids breaking the thermal bond between the system board and the heat sink.
8. Remove the right fan.
9. Remove the left fan.
10. Remove the I/O board.
11. Remove the display assembly.
About this task
The following image indicates the location of the cables on your system board.
Figure 1. System-board cables
1. Power-button cable
3. Left antenna cable (applicable only to computers shipped with
active antenna)
5. Keyboard cable
40 Removing and installing components
Before working inside your
or the M.2 2280 solid-state drive
or the M.2 2280 solid-state drive
computer.
from the SSD1 slot.
from the SSD2 slot.
2. Left fan cable
4. Left speaker cable
6. Right speaker cable