Lenovo ThinkCentre M73 10DL User Manual page 65

3. Remove the screw that secures the I/O box on the VESA mount bracket and then slide the I/O box as
shown to remove it from the VESA mount bracket.
Figure 35. Removing the I/O box
To install the I/O box, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
.
Chapter 5 Installing or replacing hardware
53