Steps
1. Align and place the voltage regulator heat sink on the system board.
2. Tighten the captive screws that secure the voltage regulator heat sink to the system board.
Next steps
1. Install the left-side cover.
2. 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: 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.
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.
2. Remove the left-side cover.
3. Remove the front cover.
4. Remove the 3.5-inch hard drive, if applicable.
5. Remove the memory modules.
6. Remove the wireless card.
7. Remove the solid-state drive/Intel Optane.
8. Remove the graphics card.
9. Remove the coin-cell battery.
10. Remove the processor fan and heat-sink assembly.
11. Remove the processor.
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Removing and installing components
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