Replacing The Keyboard Or Mouse - Lenovo ThinkCentre M77 1990 User Manual

6. Position the new internal speaker into the four metal clips
until it is secured in place.
Figure 47. Installing a new internal speaker
7. Connect the internal speaker cable to the system board. See "Locating parts on the system board"
on page 11.
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 63.

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.
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ThinkCentre User Guide
1 and push the internal speaker downward