Lenovo ThinkCentre Edge 71, Hardware Maintenance Manual

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1. Remove any media from the drives. Then, turn off all attached devices and the computer.
2. Disconnect all power cords from electrical outlets.
3. Disconnect the old keyboard cable or mouse cable from the computer.
4. Connect a new keyboard or mouse to one of the USB connectors on the computer. Depending on
where you want to connect the new keyboard or mouse, see “Locating connectors, controls, and
indicators on the front of your computer” on page 104 or “Locating connectors on the rear of your
computer” on page 105.
Figure 75. Connecting the USB keyboard or mouse
5. To complete the installation or replacement, go to “Completing the parts replacement” on page 139.
Completing the parts replacement
After completing the installation or replacement for all parts, you need to 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 Chapter 6 “Using the Setup Utility program” on page 43.
To reinstall the computer cover and reconnect cables to your computer, do the following:
1. Make sure that all components have been reassembled correctly and that no tools or loose screws
are left inside your computer. See “Locating components” on page 106 for the locations of various
components in your computer.
2. Make sure that the cables are routed correctly. Keep cables clear of the hinges and sides of the
computer chassis to avoid interference with closing the computer cover.
3. Lower the drive bay assembly. See “Accessing the system board components and drives” on page 111.
4. If you have removed the front bezel, reinstall it. See “Removing and reinstalling the front bezel” on
page 110.
Chapter 9
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Replacing FRUs (Machine Types: 1578, 1583, and 1652)
139