Lenovo 2993 Personal Computer User Manual


 
Figure 60. Installing the new internal speaker
9. Reconnect the internal speaker cable to the system board. See “Locating parts on the system board”
on page 12.
10. Reinstall the cover presence switch. See “Replacing the cover presence switch” on page 70.
11. Reinstall the front bezel. See “Removing and reinstalling the front bezel” on page 32.
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 85.
Replacing the front audio and USB assembly
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 front audio and USB assembly.
To replace the front audio and USB assembly, do the following:
74 ThinkCentre User Guide