The Panda City Yiynova Power Adapter for 15/19/20/22/27 Inch Tablet Monitors
Power adapter for al Yiynova tablet monitors. Also include a power cord. --------> How do you know your power adapter has issue: When the power indicator of an Yiynova Tablet monitor shows blue but no display on screen when it connects with VGA/USB cables with PC. If you unplug both USB and VGA/Display cables from tablet monitor to PC, the power indicator shows blank. It means the power doesn't go into the monitor. At this point, your power connection is not either fully connected or your power adapter may be dead.)