Lenovo ThinkStation P720 Hardware Maintenance Manual page 228

4. Pivot the lifted handle on the cover latch inward as shown to the closed position so that the computer
cover is secured in position.
Figure 213. Reinstalling the computer cover
5. Place the computer in an upright position.
6. If there is any locking device available, lock the computer cover. See "Locking your computer" on page
61.
7. Reconnect the external cables and power cords to the corresponding connectors on the computer. See
"Hardware locations" on page 29.
8. Update the configuration of your computer if necessary. See "Using the Setup Utility program" on page
67.
9. If a newly installed hardware component does not work correctly, update the device driver. See
"Keeping your computer current" on page 58.
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P720 Hardware Maintenance Manual