Lenovo ThinkCentre M920t User Manual And Hardware Maintenance Manual page 73

3. Reinstall the computer cover.
Figure 115. Reinstalling the computer cover
4. Place the computer in an upright position.
5. If a locking device is available, use it to lock the computer.
6. Reconnect the external cables and power cords to the corresponding connectors on the computer.
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Chapter 4 Replacing hardware