Can't update from Yosemite to El Capitan

[farcry84]

Thanks for figuring this part out. I'll end up having to update my DSDT as well.

 

[Incredibile1213]

OK... for two days work, now my system back online again.
Here is a DSDT for my R4G that fix USB issue.

So do you use usb3 port?
Can you explain a little more how did you do?