Start ubuntu prompted Intel-VT-x (virtualization technology) is not turned on

Solution is as follows:

1. The computer model, enter the command BOIS (Post press F2, F12, DEL, SEC and other key to enter), according to their specific inquiry into the way the computer signal.
2. After entering BOIS command, option or SecurSecurity find Configuration Options, and then select the Virtualization or enter the Intel Virtual Technology
3. which unenable changed to enable.
Before 4.F10 save the settings, and then restart the computer.