Next steps
1. Install the 3-cell battery or the 6-cell battery.
2. Install the base cover.
3. Follow the procedure in After working inside your computer.
System board
Removing the system board
Prerequisites
1. Follow the procedure in Before working inside your computer.
CAUTION: Disconnecting the coin-cell battery resets the BIOS setup program’s settings to default. It is
recommended that you note the BIOS setup program’s settings before removing the coin-cell battery.
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 3-cell battery or the 6-cell battery.
4. Remove the M.2 2230 solid-state drive or the M.2 2280 solid-state drive from the SSD1 slot.
5. Remove the M.2 2230 solid-state drive or the M.2 2280 solid-state drive from the SSD2 slot, if installed.
6. Remove the memory modules.
7. Remove the hard drive.
8. Remove the wireless card.
9. Remove the rear cover.
10. Remove the rear-cover bracket.
11. Remove the processor fan.
12. Remove the graphics-card fan.
13. Remove the heat sink.
14. Remove the power-adapter port.
About this task
The following image indicates the cables on your system board.
64
Removing and installing components
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