Replacing The Keyboard Or Mouse - Lenovo 10A4 Hardware Maintenance Manual

16. Install all memory modules removed from the failing system board onto the new system board. See
"Installing or replacing a memory module" on page 250.
17. Reinstall the hard disk drive assembly. See "Installing or removing the hard disk drive assembly" on
page 241.
18. Refer to your record to connect cables to the new system board. You also can refer to "Locating parts
on the system board" on page 89 to help you locate the connectors on the system board and connect
cables.
19. To complete the replacement, go to "Completing the parts replacement" on page 272.
The failing system board must be returned with a microprocessor socket cover to protect the pins during
shipping and handling.
To install the microprocessor socket cover, do the following:
1. After you have removed the microprocessor from the failing system board, close the microprocessor
retainer and then put the lever to the locked position to secure the retainer in place.
2. Note the orientation of the socket cover, and install one side of the socket cover into the microprocessor
socket. Carefully press the other side of the socket cover downward until the socket cover snaps into
position.
Note: Your microprocessor socket and cover might look slightly different from the illustration.
Figure 288. Installing the microprocessor socket cover
3. Carefully check the four corners of the socket cover to ensure that the cover is secured.
4. Follow any additional instructions that are included with the replacement part you received.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to "Completing the parts replacement" on page 272.

Replacing the keyboard or mouse

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Safety information" on page 1.
This section provides instructions on how to replace the keyboard or mouse.
To replace the keyboard or mouse, do the following:
1. Disconnect the old keyboard cable or mouse cable from the computer.
2. 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 85 or "Locating connectors on the rear of your computer" on page
86.
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Chapter 10 Replacing FRUs (machine types: 10A4, 10A5, 10AA, 10AB, 10DF, 10DG, 10DH, 10DJ, 10E8, 10E9, 10EA, and 10EB)
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