Windows 8 fails to boot after installation of Client Hyper-V feature on Gigabyte systems

Applies to: Windows 8Windows 8 NWindows 8 Enterprise


After enabling the Client Hyper-V feature on a Windows 8-based computer, the computer may hang while booting. This may also occur after installing the Windows Phone 8 SDK due to it's dependency on installing the Client Hyper-V feature.


This problem occurs on computers with GIGABYTE motherboards, and has USB 3.0 host controllers enabled in the BIOS.


Update the BIOS/Firmware of the computer to the latest supported release by GIGABYTE.

For additional troubleshooting steps related to the installation of the Windows Phone 8 SDK, see this following article:

More Information

The following system models have been confirmed to have this issue:

Additional models may also be affected containing an Etron USB 3.0 eXtensible Host Controller