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Secure Boot is a feature designed to prevent malicious software and unauthorized media from loading during the boot process. This option is enabled by default, but can be turned off in UEFI / BIOS.
Select your device below and use the following steps to change the Secure Boot setting:
Bootable media from previous versions of Windows may not be recognized by your Windows 8 desktop. You can change the Secure Boot setting and it should recognize the bootable device.
Power on the system. As soon as the first logo screen appears, immediately press F2 to enter the BIOS.
Use the right arrow key to select Security.
Use the down arrow key to highlight Set Supervisor Password and press Enter.
Create a password and press Enter. Retype the password to confirm and press Enter again.
Use the right arrow key to select Boot.
Press the down arrow key to select Secure Boot and press Enter.
With the arrow key, highlight Disabled and press Enter.
Press the F10 key and select Yes to save the changes and exit the BIOS.
NOTE: We suggest removing the supervisor password immediately after enabling Secure Boot. If you choose not to remove your supervisor password, make sure you write it down for future use.
