Lenovo 3000 C305 All-In-One - Manual (Page 40)

Hardware Maintenance Manual
38
Replacing the power board
To replace the power board
1. Remove the computer cover. Refer to “Removing the computer cover” .
2. Place the computer cover upside down on a flat surface.
3. Disconnect the cable from the power board 1.
4. Remove the two screws that hold the power board to the computer
cover 2.