Replacing The Keyboard Or Mouse - Lenovo ThinkCentre 2121 User Manual

7. Position the new internal speaker into the internal speaker holder and then pivot the internal speaker
inward until it is secured in place.
Figure 69. Installing a new internal speaker
8. Connect the internal speaker cable to the system board. See "Locating parts on the system board"
on page 13.
9. Install the hard disk drive bracket on the system board. See "Replacing the hard disk drive bracket"
on page 60.
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 74.

Replacing the keyboard or mouse

Attention:
Do not open your computer or attempt any repair before reading and understanding the "Important safety information"
on page v.
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.
.
Chapter 5 Installing or replacing hardware
73