Lenovo 3000 C300/C305 Hardware Maintenance Manual

Chapter 7. Replacing hardware

6. Align then insert the new inverter board to the chassis.

7. Screw back the two screws on the inverter board.

8. Connect the inverter board cable to the inverter board.

9. Install the optical drive. Refer to the steps 8 to 9 of the ”Replacing the

optical drive“ section.

10. Install the LCD panel. Refer to steps 5 to 6 of the ”Replacing the LCD

panel“ section.

11. Install the computer cover. Refer to “Completing the installation” .

Replacing the system fan

To replace the system fan

1. Remove the computer cover. Refer to “Removing the computer cover” .

2. Remove the LCD panel. Refer to steps 2 to 4 of the “Replacing the LCD

panel section” .

3. Remove the four screws that secure the system fan to the chassis

and disconnect the system fan cable from the system board