820-00928 usb not work

[raainxx]

Hi,
i have this board, seems clean.
i have one port USB not work (bottom left). work in charge but not in usb drive, mouse work.
What can I do to solve this problem? I don't understand how this port work.
thanks

 

[2informaticos]

So USB mouse work there, but no USB 3.x device is recognized?
Any history available?

Compare diode mode to ground readings on the dedicated USB3.x lines (R2D/D2R), pages 32/106.