Lenovo ThinkCentre M91p 4524 Hardware Maintenance Manual page 122

4. Position the computer cover on the chassis so that the rail guides on the bottom of the computer
cover engage the rails on the chassis. Then, push the cover to the front of the computer until it snaps
into position.
Figure 48. Reinstalling the computer cover
5. Install the screws to secure the computer cover.
6. If there is a padlock available, lock the computer cover.
7. If there is an integrated cable lock available, lock the computer.
8. Reconnect the external cables and power cords to the computer. See "Locating connectors on the
rear of your computer" on page 75.
9. To update your configuration, refer to Chapter 6 "Using the Setup Utility program" on page 43.
Note: In most areas of the world, Lenovo requires the return of the defective Field Replaceable Units (FRUs).
Information about this will come with the new FRUs or will come a few days after you receive the new FRUs.
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ThinkCentre Hardware Maintenance Manual