Steps
1. Slide the back I/O-ports on the system board into the front I/O-slots on the chassis and align the screw holes on the system board
with the screw holes on the chassis.
2. Replace the M.2 card-mounting screw (6-32) that secures the system board to the chassis.
NOTE:
Depending on the M.2 card you install in your computer, the location where you replace the M.2 card-
mounting screw will differ.
3. Replace the eight screws (6-32) that secure the system board to the chassis.
4. Connect the following cables to the system board.
• power-supply cables
• hard-drive cable
• power-button cable
5. Close the I/O-cover door.
6. Replace the screw (6-32) that secures the I/O-cover door to the chassis.
7. Place the VGA-connector cover over the VGA connector. (if applicable)
8. Tighten the two captive screws that secure the VGA-connector cover to the VGA connector. (if applicable)
Next steps
1. Install the processor.
2. Install the fan and heat-sink assembly.
3. Install the media-card reader.
4. Install the graphics card.
5. Install the hard drive.
6. Install the wireless card.
7. Install the solid-state drive/Intel Optane.
8. Install the fan shroud.
9. Install the left-side cover.
10. Install the front cover.
11. Follow the procedure in After working inside your computer.
46
Removing and installing components