|It could be that your PS is not up to par. I don't know which way I'd go. Maybe I'd return the PS for a much better model.|
To be sure I'd make sure the usb devices are not burned out too.
Guess you could have bumped something or a plug is off a bit.
Lastly there would be no easy way to test the board.
Why did it take me over a year to phone in a problem to ATT?