Replacing The I/O Box - Lenovo ThinkCentre M700 User Manual

10. Install the screw to secure the external optical drive box on the VESA mount bracket.
Figure 24. Installing the external optical drive box screw
11. Connect the external optical drive adapter to the USB connectors on the external optical drive and the
computer. See "Rear view" on page 3.

Replacing the I/O box

Attention: Do not open your computer or attempt any repair before reading and understanding the "Read
this first: Important safety information" on page iii.
Note: For M700 and M900, a 90-watt power adapter is required to ensure that the I/O box operates
properly. A 90-watt power adapter is shipped with your computer or can be ordered separately. You are not
recommended to use the I/O box that is offered with a ThinkCentre M53, M73, M83, or M93/p computer.
To replace the I/O box, 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. Disconnect the I/O box cable from the USB connectors on the computer.
.
Chapter 7 Installing or replacing hardware
65