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B550m PRO4 usb device disconnecting and reconnecti
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OxAA55 View Drop Down
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Joined: 19 Jul 2025
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Points: 15 		Post Options Post Options   Thanks (0) Thanks(0)   Quote OxAA55 Quote  Post ReplyReply Direct Link To This Post Topic: B550m PRO4 usb device disconnecting and reconnecti
    Posted: 19 Jul 2025 at 9:34pm
Absolutely shameful.

I went to the store after my motherboard died to grab a new one and the only AM4 boards left in stock were the Asrock Phantom B550 and an MSI B550 and I deeply regret I didn't grab the other board.

The USB 3.0 ports on the front of my PC work for a while but periodically disconnect and reconnect. I was on BIOS 3.2 and I've upgraded to 3.4 with no success.

I will be spending the extra money to upgrade to an Asus and throwing this board in the garbage where it belongs.
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quantummoon View Drop Down
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Points: 90 		Post Options Post Options   Thanks (0) Thanks(0)   Quote quantummoon Quote  Post ReplyReply Direct Link To This Post Posted: 29 Apr 2021 at 2:20am
Originally posted by quantummoon quantummoon wrote:

Originally posted by quantummoon quantummoon wrote:



Well, like everyone said it was the USB-C port. I plugged my WiFi usb receiverwith a USB-A to USB-C adapter into the USB-C port and everything is fine. The driver for that port (port 5) is now correctly installed. What a huge waste of time after installing new bios, chipset, etc. Hope they fix this and this helps someone else


I can also confirm unplugging the adapter from the USB-C part is fine. The driver is still installed correctly. I imagine windows needs to install a driver for the USB-c port while something is plugged in. Will update if anything changes.


Nope, after unplugging it started again. Keeping plugged in for now
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quantummoon View Drop Down
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Originally posted by quantummoon quantummoon wrote:



Well, like everyone said it was the USB-C port. I plugged my WiFi usb receiverwith a USB-A to USB-C adapter into the USB-C port and everything is fine. The driver for that port (port 5) is now correctly installed. What a huge waste of time after installing new bios, chipset, etc. Hope they fix this and this helps someone else


I can also confirm unplugging the adapter from the USB-C part is fine. The driver is still installed correctly. I imagine windows needs to install a driver for the USB-c port while something is plugged in. Will update if anything changes.
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quantummoon View Drop Down
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Points: 90 		Post Options Post Options   Thanks (0) Thanks(0)   Quote quantummoon Quote  Post ReplyReply Direct Link To This Post Posted: 29 Apr 2021 at 1:54am


Well, like everyone said it was the USB-C port. I plugged my WiFi usb receiverwith a USB-A to USB-C adapter into the USB-C port and everything is fine. The driver for that port (port 5) is now correctly installed. What a huge waste of time after installing new bios, chipset, etc. Hope they fix this and this helps someone else
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quantummoon View Drop Down
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Just updated the BIOS and it?™s still happening. Some device keeps reconnecting
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quantummoon View Drop Down
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Originally posted by whiteroger whiteroger wrote:

Hi I was experiencing same problem but it's gone for now I had horrible boot times and laggy bios out of blue it stopped.

I think today beta bioses were released did someone tried it out ?
http://www.asrock.com/support/index.asp?cat=BIOS


Thanks, I think it?™s for the B550, not the B550m today. The wait continues
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whiteroger View Drop Down
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Points: 15 		Post Options Post Options   Thanks (0) Thanks(0)   Quote whiteroger Quote  Post ReplyReply Direct Link To This Post Posted: 22 Apr 2021 at 10:07pm
Hi I was experiencing same problem but it's gone for now I had horrible boot times and laggy bios out of blue it stopped.

I think today beta bioses were released did someone tried it out ?
http://www.asrock.com/support/index.asp?cat=BIOS
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quantummoon View Drop Down
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Thanks for the update. Just started having this issue out of the blue for months. Anyone resolve?
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jordi View Drop Down
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Replace the £ by a question mark in the above URL, I don't know what's up with this forum.
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jordi View Drop Down
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Points: 31 		Post Options Post Options   Thanks (0) Thanks(0)   Quote jordi Quote  Post ReplyReply Direct Link To This Post Posted: 16 Mar 2021 at 9:24pm
Hey everyone. I wanted to post I found some new info on this subject, and apparently it's AMD's fault, see: https://www.youtube.com/watch£v=Gw2sT4lFfFw&t=124s

A fix is on the way, but no idea how long. Hope this helps some of you!
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