Lenovo ThinkCentre 4167, Руководство пользователя

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11. Install the screw to secure the cover presence switch to the chassis.
Figure 49. Reinstalling the cover presence switch
12. To reinstall the front bezel, align the three tabs on the front bezel with the corresponding holes in the
chassis and pivot the front bezel inwards until it snaps into position.
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 67.
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:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Open the computer cover. See “Opening the computer cover” on page 30.
Chapter 5
.
Installing or replacing hardware
65