Lenovo 4221 Laptop User Manual


 
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 41. Reinstalling the computer cover
5. If the computer cover is secured with thumbscrews, install them.
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 69.
9. If you have replaced the system board, you must update (ash) the BIOS. See “Updating (ashing)
the BIOS” on page 165.
10. Some FRU replacements require the conguration to be updated. See Chapter 6 “Using the Setup
Utility program” on page 39.
104 Hardware Maintenance Manual