Disable Secure Boot Windows 10. Note that if you're on an Arm-based Windows RT PC, you can't disable secure boot because these devices have a locked boot loader. If you are wondering what is UEFI, then it expands to Unified.
Note that if you're on an Arm-based Windows RT PC, you can't disable secure boot because these devices have a locked boot loader. Secure Boot makes sure that when your PC boots up, it only uses firmware which is trusted by the manufacturer. If you are having trouble disabling Secure Boot after following the steps below, contact your manufacturer for help.
For example, while booting it with a Linux distribution, your PC manufacturer may discourage you from using unsecure mode for booting.
Secure boot with UEFI, has been introduced to protect your Windows system against malicious software applications as well as unauthorized OS loading during start up.
UEFI Secure boot actually restricts your computer from booting any unknown source (like a flash drive). If you are having trouble disabling Secure Boot after following the steps below, contact your manufacturer for help. Secure Boot makes sure that when your PC boots up, it only uses firmware which is trusted by the manufacturer.