MSI Z79M Gaming - boot hangs on 9C

Nine Iron

Member
An intermittent issue with my board - the POST sometimes stops on 9C for quite a while before continuing. I gather that 9C is USB detection.

I've tried moving all my devices to USB 3.0 ports (keyboard is a USB that I've plugged into a PS/2 via adapter) and that seemed to work for a while, but the problem has come back. Once into the OS, everything is fine.

Besides unplugging my devices one at a time to see if there's a problem-child, is there anything I can do in the BIOS to streamline the USB enabing? Legacy, XHCI, EHCI disable?

M.
 
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