Lenovo ThinkVision 21.5" Monitor - Manual (Page 12)

Chapter 1.
1-6
Setting up your monitor
This section provides information on how to set up your monitor.
Connecting and turning on your monitor
Note: Be sure to read the safety information on page iii before operation.
1. Power off your computer and all attached devices, then unplug the computer power cord.
2. Connect the cables according to the following symbols.