How to Fix USB2.0 devices won't work in USB 3.0 ports
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:
Since I updated Big Sur 11.3 my usb devices don't work anymore I can use usb 2.0 devices in a usb 2.0 port and I can use usb 3.0 devices in usb 3.0 ports but I can't use usb 2 in usb 3 ports
Tried it all I think. mapping usb inject all kext
don't know what to do now.
- Bigsur 11.3.1
- Skylake 6700
- Msi z170 SLI Plus
- Opencore 0.6.9
[link] [comments]
Post a Comment