Same Problem with Sony VGN-AR850E, the BIOS doesnt have the enable Option in the settings, BUT there is some webpages where u can check, use it On ur Own Risk of frying ur Bios, try to patch the Bios. this is for Sony VAIO
http://blog.steelooper.com/search/label/Virtualization
a Quick Google Search for" Bios Enable Virtualization VT-x Toshiba Sony ( u name the Brand) Intel VT.
Hopes of a Patch by the Manufacturer is Very Slim...Dam it We payed for it and they Disable it, one bit makes the Difference from 000 to 001, But Where is the issue...:mad: