

Secure boot analyses codes before they are executing if a code has genuine digital signatures, Secure Boot will let it pass. It is a security gate with a more advanced interface and enough technical options. Secure boot is a feature of the Unified Extensible Firmware Interface (UEFI), a replacement for BIOS.

Therefore, to allow dual boot you’ll need to disable secure boot. Usually, when the secure boot option is enabled you are not allowed to boot Windows when more than 1 OS is installed. In addition to this, if you are facing a problem with permissions to allow a dual operating system to read further. Using these simple steps, you can easily enable or disable Windows Boot Manager on Windows 10. Step 5: To disable BOOTMGR, uncheck Time to display list of operating systems box or edit the timer to 0 and click OK. Step 4: Checkmark the option Time to display list of operating systems box and set the time value. Here select Advanced option > Settings under Startup and Recovery option.

Step 3: This will open the System Properties window. Step 2: Here, type sysdm.cpl and click OK. Step 1: Press Windows + R to open the Run dialog box. Remember: If you use the above command you cannot use below Method 2 Method 2: Change System PropertiesĮditing system properties will help enable or disable the Windows Boot Manager. bcdedit / set displaybootmenu no command and press Enter.Step 2: Enter the following commands one by one in command prompt window and press the Enter key after entering each command. Step 1: Type cmd in the Cortana search box, right-click Command Prompt and select Run as administrator.
