After replacing a CRU, reinstall all protective covers, including the computer cover, before connecting power and operating the computer. This action is important to help prevent unexpected electrical shock and help ensure the containment of an unexpected fire that could happen under extremely rare conditions.
After completing the installation or replacement for all parts, reinstall the computer cover and reconnect cables. Depending on the parts you installed or replaced, you might need to confirm the updated information in the Setup Utility program. Refer to Using the Setup Utility program.
Ensure that all components have been reassembled correctly and that no tools or loose screws are left inside your computer. See Computer components for the locations of various components in your computer.
Ensure that the cables are routed correctly before reinstalling the computer cover. Keep cables clear of the hinges and sides of the computer chassis to avoid interference with reinstalling the computer cover.
- Hold the computer cover with the handle and position the computer cover on the chassis. Insert the tabs on the bottom of the cover into the corresponding slots on the chassis.Figure 1. Positioning the computer cover
- Pivot the cover downward. Press the handle of the computer cover so that the computer cover is locked.Figure 2. Reinstalling the computer cover
Place the computer in an upright position.
If there is any locking device available, lock the computer cover. See Locking your computer.
Reconnect the external cables and power cords to the corresponding connectors on the computer. See Hardware locations.
Update the configuration of your computer if necessary. See Using the Setup Utility program.
If a newly installed hardware component does not work correctly, update the device driver.