Removing And Installing The Vesa Mount Bracket - Lenovo ThinkCentre M73z Hardware Maintenance Manual

9. To install the new internal speakers, position the new internal speakers in the chassis so that each
speaker is secured by the corresponding two tabs on the front bezel.
Figure 30. Installing the internal speakers
10. Route the cables of new internal speakers, and then connect the cables to the system board. See
"Locating parts on the system board" on page 71.
11. Install the rear I/O assembly. See "Replacing the rear I/O assembly" on page 89.
12. Install the system board shield. See "Removing and installing the system board shield" on page 88.
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 118.

Removing and installing the VESA mount bracket

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Safety information" on page 1.
This section provides instructions on how to remove and install the Video Electronics Standards Association
®
(VESA ) mount bracket.
To remove and install the VESA mount bracket, 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. Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay
it down so that the screen is against the surface and the cover is facing up.
3. Remove the computer stand. See "Removing and installing the computer stand" on page 73.
4. Remove the computer cover. See "Removing the computer cover" on page 76.
5. Remove the system board shield. See "Removing and installing the system board shield" on page 88.
6. Remove the rear I/O assembly. See "Replacing the rear I/O assembly" on page 89.
.
Chapter 8 Replacing FRUs
93