5. Disconnect the power supply cables 1and 2 from the system board
connectors and from all drives.
6. Remove the power supply cables from the cable clips and ties.
7. Slide the power supply assembly forward and remove it from the computer.
8. Install the new power supply assembly into the chassis so that the screw holes
in the power supply assembly align with those in the chassis.
Note: Use only the screws provided by Lenovo.
9. Install and tighten the four screws at the rear of the chassis to secure the
power supply assembly.
10. Reconnect all the power supply cables to the drives and the system board.
11. Go to “Completing the parts replacement” on page 34.
Chapter 2. Replacing hardware 7