How to Fix Big Sur 11.3.1 update breaks USB 3.0
This mini-guide provides a structural approach to troubleshoot and fix the issue.
Prerequisites
- Confirm your hardware specifications (CPU, GPU, Motherboard).
- Ensure you have a bootable recovery USB and backup your EFI.
Fix Steps
- Boot with
-v keepsyms=1 debug=0x100to identify the exact kernel panic. - Validate your config.plist using ocvalidate.
- Ensure your EFI matches the Dortania guide specifications for your CPU generation.
Verification
- Reboot and verify if the functionality is restored and stable under typical usage.
Original Question:
Hi all,
I have an issue with two different motherboards, one Asus Z370 and one Gigabyte Z390, and USB once I moved to Big Sur 11.3.1 from Mojave.
Both motherboard have USB definition AND with BOTH motherboard after update to 11.3.1 USB 2/3 doesn't work anymore.
I tested both motherboard with the .aml USB definition and with the hackintool kext.
I've also done in both cases a fresh new .aml and .kext using hackintool with the latest USBInjectAll but the problem persists.
I have reset...
Read more
I have an issue with two different motherboards, one Asus Z370 and one Gigabyte Z390, and USB once I moved to Big Sur 11.3.1 from Mojave.
Both motherboard have USB definition AND with BOTH motherboard after update to 11.3.1 USB 2/3 doesn't work anymore.
I tested both motherboard with the .aml USB definition and with the hackintool kext.
I've also done in both cases a fresh new .aml and .kext using hackintool with the latest USBInjectAll but the problem persists.
I have reset...
Read more
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