HP ProDisplay P231 23-inch LED Backlit Monitor - Manual (Page 10)

3. Push the base onto the stand until it clicks into place.
Rear Components
Component Function
1 AC Power Connector Connects the AC power cord to the monitor.
2 DVI-D Connects the DVI-D cable to the monitor.
3 VGA Connects the VGA cable to the monitor.
4 Chapter 2 Setting Up the Monitor