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Replacing The Power Supply - Lenovo ThinkCentre 9120 Hardware Maintenance Manual

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

Replacing the power supply

This procedure describes how to remove and replace the power supply.
90
Hardware Maintenance Manual
the corresponding holes in the chassis, then pivot it inward until it snaps into
position on the left side.
1. Remove the computer cover. See "Removing the cover" on page 87.
Note: For this procedure, it helps to lay the computer on its side.
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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