Secure boot is not supported by Windows 7. UEFI boot is supported but many IT departments prefer to leave UEFI boot disabled to preserve compatibility with operating system images. As secure boot is not supported by Windows 7, this will need to be disabled.

How do I know if secure boot is enabled Windows 7?

Launch the System Information shortcut. Select “System Summary” in the left pane and look for the “Secure Boot State” item in the right pane. You’ll see the value “On” if Secure Boot is enabled, “Off” if it’s disabled, and “Unsupported” if it isn’t supported on your hardware.

How do I enable secure boot in Windows 7?

Windows 7 64 Bit OS does support UEFI Boot but it natively does not support Secure Boot . If you need to install Windows 7 64 Bit OS on a UEFI Firmware based PC that supports Secure Boot, you are required to disable Secure Boot in order to install Windows 7.