If you have HP EliteBook 8770w do:
Shutdown your mobile workstation.
Push startup button
push ESC key
push F10 to open BIOS setup
With left arrow go to System Configuration
down to :
Device Configuration
down to :
Virtualization Technology (VT-x)
Press Enter to check
Press F10 to save
Select Yes
http://h30434.www3.hp.com/t5/Other-Notebook-PC-Questions/activating-vt-x-from-bios/td-p/260444/page/2
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