Replacing The Power Supply - Lenovo ThinkCentre 8700 Hardware Maintenance Manual

3. To reinstall the bezel, align the plastic tabs on the right side of the bezel with

Replacing the power supply

1. Remove the computer cover. See "Removing the cover" on page 129.
2. Disconnect the power supply cables from the system board and from all drives.
3. Remove the four screws that secure the power supply at the rear of the chassis.
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Hardware Maintenance Manual
the corresponding holes in the chassis, then pivot it inward until it snaps into
position on the left side.
Note: For this procedure, it helps to lay the computer on its side.