Replacing The Internal Speaker - Lenovo ThinkCentre M83 Hardware Maintenance Manual

3. Adjust the angle of the rear antenna to lower the risk of breaking the antenna by accident.
Figure 270. Installing the rear Wi-Fi antenna
To remove the rear Wi-Fi antenna, 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. Straighten the rear Wi-Fi antenna so that it can be more easily twisted.
3. Hold the thicker end of the rear Wi-Fi antenna and unscrew the Wi-Fi antenna from the rear of the
computer.
Figure 271. Removing the rear Wi-Fi antenna

Replacing the internal speaker

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Safety information" on page 1.
.
Chapter 10 Replacing FRUs (machine types: 10A4, 10A5, 10AA, 10AB, 10DF, 10DG, 10DH, 10DJ, 10E8, 10E9, 10EA, and 10EB)
271