Lenovo ThinkCentre M73, User Manual

Page: 77 / 162

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 80.
Installing or removing the front Wi-Fi antenna
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 install or remove the front Wi-Fi antenna.
Note: The front Wi-Fi antenna is only available on some models.
To install the front Wi-Fi antenna, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Remove the computer cover. See “Removing the computer cover” on page 55.
3. Remove the hard disk drive assembly. See “Installing or removing the hard disk drive assembly” on
page 57.
4. Peel off the paper that protects the sticker on the bottom of the front Wi-Fi antenna.
Figure 53. Peeling off the paper that protects the sticker
5. Align the two small columns on the bottom of the front Wi-Fi antenna with the two holes in the hard disk
drive bracket as shown. Then, stick the front Wi-Fi antenna onto the hard disk drive bracket.
Figure 54. Sticking the front Wi-Fi antenna
Chapter 5
.
Installing or replacing hardware
65