Lenovo IdeaCentre B500 - Manual (Page 37)

Chapter 8. Replacing hardware
35
4) Remove the power supply from the chassis 3 .
3
1
2
2
2. Align the screw holes on the new power supply to the mounting holes
on the computer chassis.
3. Screw back the four screws on the new power supply.
4. Reconnect all the power supply cables to the drives and the system
board.
5. Align the screw holes on the AC inlet to the mounting holes on the
computer chassis.
6. Screw back the two screws on the AC inlet.
7. Screw back the computer back cover to the computer chassis.