HP 2311gt 23 inch Diagonal 3D LED Monitor - Manual (Page 19)

2. Connect the round end of the power supply cord to the monitor, and then connect one end of the
power cord to the power supply and the other end to a grounded electrical outlet.
WARNING! To prevent injury from electrical shock, you should do one of the following if a
properly grounded electrical outlet is not available: (1) You should use an electrical outlet
adapter that provides proper grounding. (2) You should have a properly grounded electrical
outlet installed.
Figure 3-6 Connecting the Power Cord
ENWW Connecting Monitor Cables 11