Lenovo ThinkVision L2251x Wide 22in LCD Monitor - Manual (Page 9)

Cable lock slot
Your monitor is equipped with a cable lock slot located on the rear of your monitor
(in the lower right corner). Please follow the instructions that came with the cable
lock to attach it.
Setting up your monitor
This section provides information to help you set up your monitor.
Connecting and turning on your monitor
Note: Be sure to read the Safety Information located in the Monitor Safety,
Troubleshooting, and Warranty Guide before carrying out this procedure.
1. Power off your computer and all attached devices, and unplug the computer power
cord.
1-4 L2251x Wide Flat Panel Monitor User’s Guide
2 . Connect the analog signal cable to the D-SUB connector of the monitor and the
other end on the back of the computer.