The unit will power up OK, but the USB port is not detected by the PC (Video is fed through USB port for this monitor).
Check the regulator (1117-3.3), 3.3V, it has 5V input, out put is only 0.6V.
Install new regulator, problem solved.
Check the regulator (1117-3.3), 3.3V, it has 5V input, out put is only 0.6V.
Install new regulator, problem solved.