B450M-HDV R4.0: USB 3.0 devices not recognized

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   As a start, you should try clearing CMOS. Then update BIOS, reboot and clear CMOS again.

Check all cables, etc. Try re-installing Windows too, after you do all of the aforementioned stuff.

Booting a live Linux distro can also help us see if it is a driver-related thing.

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xhue Members Profile Send Private Message Find Members Posts Add to Buddy List Groupie Joined: 17 Aug 2018 Status: Offline Points: 634	Post Options Post Reply Quote xhue Report Post Thanks(0) Quote Reply Topic: B450M-HDV R4.0: USB 3.0 devices not recognized Posted: 08 Jun 2019 at 2:24am
	As a start, you should try clearing CMOS. Then update BIOS, reboot and clear CMOS again. Check all cables, etc. Try re-installing Windows too, after you do all of the aforementioned stuff. Booting a live Linux distro can also help us see if it is a driver-related thing.

almarm Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 07 Jun 2019 Location: Spain Status: Offline Points: 3	Post Options Post Reply Quote almarm Report Post Thanks(0) Quote Reply Posted: 08 Jun 2019 at 1:31am
	Hello. Bought this mobo on May, 20th at Amazon.es, I had been having issues with USB 3.0 devices: any USB 3.0 device connected to the hub 3.1 is recognized as 2.0. Tried some solutions, as forced driver installation of AMD USB 3.0 and 3.1 controllers/hubs, but still not solved. Send a question to Asrock spanish technical support today, and waiting for a quick solution, before to ask for a return/refund. Can you help me? Many thanks, and best regards.