https://boards.rossmanngroup.com/threads/820-2936-one-usb-port-not-working.24472/
820-2936 one USB port not working | Rossmanngroup Forums
2936 had a loose usb port that would light up a mouse but not move it. I replaced the loose usb port with one from a donor board but now there is no power...
one usb portnot workingforums