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ASUS X99 Deluxe-II USB 3.0 stopped working

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Joined
Feb 24, 2014
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31
Motherboard
Asus x99 Deluxe II
CPU
i7-6900K
Graphics
GTX 770, GTX 980 Ti
Mac
  1. Mac mini
Mobile Phone
  1. iOS
Hey there fellos! Just finished upgrading my new workstation from Z77X to X99 with i7 6900K onboard.
was a bumpy road but it seems everything runs smoothly now: Speedstep, Audio, Wi-Fi, Bluetooth, USB 3.1

But I had problems with getting USB 3.0 to work from the first hour, first time it worked only on USB 2.0 speeds and now it stopped working at all. External HDD devices light up but not detected. The front panel work tho.
I followed a crazy bunch of guides and solutions I could find and I probably messed things up.
I guess it all has to do with BIOS + kext + config match. Tried every combination I could find to no luck.

Right now my BIOS setting are like this:

Intel xHCI Mode - Enabled
EHCI Legacy Support - Enabled
xHCI Hand-off - Enabled
EHCI Hand-off - Enabled

My config and kext folder is down below.
Help me please. =(
 

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Last edited:
I'm having similar issues, but my I have mine running at USB 2.0 speeds currently. But do you mind if I ask how you got USB 3.1 working?
 
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