The Boot Configuration Data store is safer than the boot options in previous. The common boot error in Windows is the BOOTMGR is missing error.

Step 5: If you want to disable BOOTMGR, cancel Time to display list of operating systems box or set the time value as 0 and click OK to finish the operation. After that, click OK to save the changes. Step 4: In the pop-up window, select the Time to display list of operating systems box and set the time value. Then click on the Settings under the Startup and Recovery option. Step 3: When the System Properties window pops up, choose the Advanced option. Step 2: Type sysdm.cpl and click OK to continue. Step 1: Open the Run dialog window by pressing Win plus R keys. Method 2: Change System PropertiesĪlternatively, you can change System Properties to enable or disable Windows Boot Manager. Step 3: If you want to disable Windows Boot Manager, you need to type bcdedit / set displaybootmenu no command to disable BOOTMGR, but by doing so you cannot use the Method 2. However, as it can unnecessarily slow down the boot process when it waits to ask you which operating system to boot to, you may want to disable it. Additionally, if you have multiple operating systems, you can choose the target operating system and enable Windows Manager when booting your computer. How to Enable/Disable Windows 10 Boot Managerīased on the above description, you can know that Windows boot manager Windows 10 is beneficial to your computer. The boot manager will execute winload.exe, which is the system loader that is used to continue the Windows boot process. If there’s no the “System Reserved” partition, probably the BOOTMGR is located on the primary hard drive (in most cases it’s C drive). In most Windows PCs, this partition is labelled as “ System Reserved” without hard drive letter.

It is marked as “Active” in Disk Management.

The BOOTMGR file itself is both read-only and hidden, which is located in the root directory of the partition. The database replaces the boot.ini file used in old Windows versions like Windows XP. The configuration data that BOOTMGR requires can be found in the Boot Configuration Data (BCD) store, which is a registry-like database. Besides, MiniTool will offer more information to you. It enables you to boot Windows 10/8/7 or Windows Vista operating system. Windows Boot Manager (BOOTMGR), a small piece of software, is loaded from the volume boot code that is a part of the volume boot record.

How to Enable/Disable Windows 10 Boot Manager.

Windows boot manager bios