Service Manual

Table Of Contents
Steps
1. Align the ports on the system-board assembly with the slots on the chassis and align the system-board assembly in place.
2. Slide the system-board assembly to engage the latches that secure it to the chassis.
3. Replace the nine screws (#6-32) that secure the system-board assembly to the chassis.
4. Route the antenna cables through the routing guides on the chassis.
5. Route and connect the front-chassis fan cable to the system board.
6. Route and connect the system-board power cable to the system board.
7. Route and connect the top-chassis fan cable to the system board.
8. Route and connect the processor power cable to the system board.
9. Route and connect the graphics-card power cable to the system board.
10. Route and connect the LED controller cable to the system board.
11. Route and connect the front panel audio cable to the system board.
12. Route and connect the hard drive data cable to the system board.
13. Route and connect the front panel USB cables to the system board.
Next steps
1. Install the processor.
2. Install the single-graphics card or dual-graphics card, as applicable.
3. Install the processor liquid-cooling assembly or processor fan and heat-sink assembly, as applicable.
4. Install the wireless card.
5. Install the solid-state drive.
6. Install the memory modules.
7. Install the left-side cover.
8. Follow the procedure in After 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.
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