BIOS settings vary by operating system. Change the BIOS settings before installing a new operating system.
Start the Setup Utility program. See Starting the Setup Utility program.
From the main interface, select
and press Enter.To install the Windows 10 (64-bit) operating system, select Enabled and press Enter.
To install an operating system other than Windows 10 (64-bit), select Disabled and press Enter.
Select Yes in the window displayed and press Enter to confirm your selection.
To save settings and exit the Setup Utility program, press F10 or Fn+F10 (depending on the keyboard settings). Then, select Yes in the window displayed, and press Enter.