Lenovo ThinkCentre M73, User Manual

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3. Install the screw to secure the I/O box on the VESA mount bracket.
Figure 37. Installing the screw to secure the I/O box
4. Connect the I/O box cable to a USB connector on the rear of your computer. See “Locating connectors
on the rear of your computer” on page 9.
Removing the computer cover
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 remove the computer cover.
CAUTION:
Before you open the computer cover, turn off the computer and wait several minutes until the
computer is cool.
To remove the computer cover, do the following:
1. Remove any media from the drives and turn off all attached devices and the computer.
2. Disconnect all power cords from electrical outlets.
3. Disconnect the power cord, Input/Output cables, and any other cables that are connected to the
computer.
4. Remove any locking device that secures the computer cover, such as a Kensington-style cable lock.
See “Attaching a Kensington-style cable lock” on page 30.
Chapter 5
.
Installing or replacing hardware
55