Service Manual

Steps
1. Align the screw holes on the power-button module with the screw holes on the front bezel.
2. Replace the two screws (M2x4) that secure the power-button module to the front bezel.
3. Connect the cables to the power-button module.
Next steps
1. Install the
front bezel.
2. Install the top-cover.
3. Install the right-side cover.
4. Install the
left-side cover.
5. 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.
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 left-side cover.
3. Remove the memory modules.
4. Remove the solid-state drive.
5. Remove the wireless card.
6. Remove the processor liquid-cooling assembly or processor fan and heat-sink assembly, as applicable.
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