B450 pro4 IO errors on external HDDs
Printed From: ASRock.com
Category: Technical Support
Forum Name: AMD Motherboards
Forum Description: Question about ASRock AMD motherboards
URL: https://forum.asrock.com/forum_posts.asp?TID=113501
Printed Date: 28 Apr 2026 at 10:55pm
Software Version: Web Wiz Forums 12.04 - http://www.webwizforums.com
Topic: B450 pro4 IO errors on external HDDs
Posted By: garagedrive
Subject: B450 pro4 IO errors on external HDDs
Date Posted: 28 Apr 2026 at 7:32pm
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after applying KB5083769, USB3.0 external USB HDDs don't work properly. They often show I/O errors. HDDs are safe. I've confirmed them connecting them to internal SATA ports. I've also changed HDD cases, and the problem remains. mobo B450 pro4 BIOS 10.60 (latest) Windows 11 home 25H2 latest windows updates applied |
Replies:
Posted By: Xaltar
Date Posted: 28 Apr 2026 at 7:49pm
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I would recommend updating your chipset/all in one drivers. I find that most often windows updates break things then AMD releases a new driver package to fix them again. ------------- 
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Posted By: garagedrive
Date Posted: 28 Apr 2026 at 8:15pm
| already re-installed latest AMD chiset driver, 8.02.18.557. Unfortunately problem remains. |