Lenovo 3000 C100 All-In-One - Manual (Page 43)

Chapter 7. Replacing hardware
41
Replacing the system board
To replace the system board
1. Remove the computer cover. Refer to “Removing the computer cover“.
2. Remove the hard disk drive. Refer to the “Replacing the hard disk drive”
section.
3. Remove the heat sink and system fan. Refer to the Replacing the heat
sink and system fan section.
4. Unplug all cables that connect to the system board.
5. Remove the two screws that secure the power inlet to the system
board.
6. Loosen the cuprum screw pole. Remove the other four screws that
secure the system board to the LCD panel bracket.
7. Pull the system board out of the chassis.
8. Place the new motherboard into the chassis, aligning the screw holes in
the system board with the mounting holes on the LCD panel bracket.
9. Screw the four screws on the new motherboard back in.
10. Install all related components back to the new motherboard.
11. Install the computer cover. Refer to “Completing the installation”.