I get the above message even after I've removed both front panel USB connectors (2.0 and 3.0). I originally thought it was because those had been damaged, since the 3.0 ones are very tight (my case is ...
I'm having an astounding amount of trouble with front USB on a new Aorus Master z590 build. I bought a 3.5" 4-port USB front hub which connects via a 19-pin connector, and also has a power connection.