System board
Removing the system board
Prerequisites
1. Follow the procedure in Before working inside your computer.
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.
2. Remove the base cover.
3. Remove the battery.
4. Remove the fans (for computers shipped with 11
th
Generation Intel Core i3-1115G4 processor).
5. Remove the heat sink (for computers shipped with 11
th
Generation Intel Core i3-1115G4 processor).
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.
6. Remove the heat-sink and fan assembly (for computers shipped with 11
th
Generation Intel Core i5-1135G7 processor or 11
th
Generation Intel Core i7-1165G7 processor).
7. Remove the M.2 2230 solid-state drive or the M.2 2280 solid-state drive.
8. Remove the display assembly.
About this task
The following image indicates the connectors on your system board.
Figure 1. System-board connectors
1.
Power-button and fingerprint reader cable 2. Touchpad cable
3. Right speaker cable 4. Keyboard cable
5. Left speaker cable
The following images indicate the location of the system board and provide a visual representation of the removal procedure.
34
Removing and installing components
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