Lenovo 30221CU - H230 CORE2DUO 500GB Desktop Hardware Replacement Manual page 27

3. Position the computer cover on the chassis so that the rail guides on the
bottom of the computer cover engage the rails. Then, push the computer
cover closed until it snaps into position.
4. Reconnect the external cables and power cords into the computer. Refer to
"Locating connectors on the rear of the computer".
5. To update your configuration settings, refer to "Starting the Setup Utility" in the
User Guide or in the Hardware Maintenance Manual.
Note: In most areas of the world, Lenovo requires the return of the defective
CRU. Information about this will come with the CRU or will come a few days
after the CRU arrives.

Hardware Replacement Guide
31039394_3000 H_HRG_EN_V2.0.indd24 24 2009.7.14 4:15:59 PM