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GA-Z68MA-D2H-B3 rev 1.3 USB 3 + Hyper-V hangs Windows 8

GA-Z68MA-D2H-B3 rev 1.3 USB 3 + Hyper-V hangs Windows 8
« on: January 30, 2013, 04:43:24 pm »
Hi everybody
I have a GA-Z68MA-D2H-B3 rev 1.3.
I installed Windows 8 x64 + Gigabyte Drivers and the USB 3 worked fine. After a while, I installed Hyper-V and after reboot, the windows 8 hangs at boot time. I reboot several times, run the automatic recover, etc, and nothing worked. I began to play around with the BIOS and, after disabling USB 3 the windows booted fine!!!
 
Now I'm able to run Hyper-V but everytime I enable the USB 3 at the BIOS, the computer does not boot.

BTW, I installed the lastet GA drivers, the USB Etron 1.0.0.0115 2012/09/20

My BIOS is the F10. There's an UEFI bios available, but I cannot install it, the installation says something like bad bios (I cant recall) .  There are many other people with the same BIOS upgrade problem.

Any ideas?
Thanks
Alex