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Hyper-V: Troubleshooting Enabling Hyper-V on DC7900 Bluescreen or Locks

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Users of some HP computers have had bluescreen or locking issues after making the required BIOS changes to enable the Hyper-V role. Sometimes the error message seen is "the processor on this computer is not compatible."

For example, for the HP this forum message about the HP DC7900 points to the custom BIOS fix.

HP Compaq Business Desktop System BIOS (786G1 BIOS)

http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=12454&prodSeriesId=3784892&swItem=vc-72760-1&prodNameId=3785037&swEnvOID=2097&swLang=13&taskId=135&mode=4&idx=0  

Type: BIOS
Version: 1.19 Rev. A (23 Jun 2009)
File name: sp44035.exe (8.1 MB)

FIXES:

  • Fixes an issue where Microsoft Windows Server 2008 no longer boots after
    installing the Hyper-V role and enabling the Virtualization Technology (VTx)
    option in the F10 Setup Utility.