System board
System-board callouts
1. Display-cable connector
2. Camera-cable connector
3. Right-fan cable connector
4. Right-speaker cable connector
5. Antenna-cable connectors
6. Keyboard-cable connector
7. Left-speaker cable connector
8. Left-fan cable connector
9. Power-button cable connector
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 solid-state drive.
6. Remove the heat sink.
7. Remove the right fan.
8. Remove the left fan.
9. Remove the audio-daughter board.
Removing and installing components
35
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