No USB 3 after Catalina install

[jarjarjar]

I upgraded to Catalina. Everything works except usb 3. I can't figure out how to make it work. It worked fine in 10.14.6. Anyone have any ideas on how to fix this problem?

 

[ZdzislawPomata]

Strange. No body needs USB 3.1.... We are too old bro...

 

[dralausky]

bro ,try to use injectall.kext ,then define your dsdt ,you can use ioregistryexplorer to find all the usb port address
ref this https://forum.51nb.com/forum.php?mod=viewthread&tid=1868327

 

[ZdzislawPomata]

Or apply this: USB 2.0/3.0/3.1 Fix