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Work around USB 3.0 incompatibility during Win 8 Upgrade

On Some systems, the window 8 Update tells you to uninstall the intel USB 3.0 xhci Controller due to compatibility issues.
After this the we cannot use USB flash drives or other USB devices that we copied win 8 upgrade installation to.


  • Boot into BIOS (F2)
  • Go into Advance Tab
  • Under Miscellaneous devices you should see USB Debug
  • Go ahead and set it to enabled
  • What USB Debug does it pull down USB 3.0 to USB 2.0 modes. And we can use our USB flash drive to upgrade win8
  • After the Win8 Upgrade go ahead and get into Bios and disable USB Debug to restore USB 3.0 functionality.

See also:
Windows 8 system requirements
Windows mobile Nokia Lumia 925

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