USB port disconnect randomly

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   MB : B450M pro4
BIOS : latest (should be 1.6?)
OS: WIN 10 pro, build 1803

I notice my card reader on USB 3.1 gen 1 port 1 and 2 keep disconnect and reconnect randomly.

I don't have this issue, if I connect the card reader to USB 3.1 gen 1 port 3, 4 and USB 3.1 gen 2 type A.

MB QC issue or setting problem?

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k123 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 22 Nov 2018 Status: Offline Points: 3	Post Options Post Reply Quote k123 Report Post Thanks(0) Quote Reply Topic: USB port disconnect randomly Posted: 22 Nov 2018 at 9:29am
	MB : B450M pro4 BIOS : latest (should be 1.6?) OS: WIN 10 pro, build 1803 I notice my card reader on USB 3.1 gen 1 port 1 and 2 keep disconnect and reconnect randomly. I don't have this issue, if I connect the card reader to USB 3.1 gen 1 port 3, 4 and USB 3.1 gen 2 type A. MB QC issue or setting problem?