The integrated BCD Editor is one of the quickest ways to remove a boot option from your BIOS, but it isn't for everyone. Now, input the command bcdedit /delete, swapping out identifier for your own alphanumeric string.ĭouble-check that you have the correct entry, then press Enter to delete the additional bootloader entry. Furthermore, a Legacy OS Loader will appear under a separate bracket.Ĭopy the identifier (the long alphanumeric string) of the bootloader you want to delete. The type of operating system appears alongside description. If you have more than one Windows installation, this is where to find the bootloader information.
The Windows Boot Loader section describes the Windows 10 bootloader for this system, the unique identifier, where to find winload.exe to continue the boot process, if the partition has recovery enabled, and the root of the system directory. The Windows Boot Manager section describes the location of the boot manager, along with other identifiers. Hence, this was changed to a more secure but universal solution. However, a single insecure text file is vulnerable to attack. Previously, you managed your boot screen options using the tiny boot.ini file (and Windows NT boot loader, ntldr).
Modern Windows versions store Boot Configuration Data (BCD) in a registry-like database. However, once you install another operating system, this process changes, allowing you to choose the operating system you want to use. When only one version of Windows is present, the system will boot into this without displaying the boot manager selection screen.
The Windows Boot Manager is generic and unaware of operating system requirements within the system loading process. The boot manager helps your Windows installation start. Your boot manager code loads from the start of the Active system partition, sometimes given the System Reserved label so that you don't accidentally overwrite it with cat selfies. The Windows Boot Manager is a tiny piece of software that runs during the system boot process. Let's take a look at four ways you can delete old boot menu options.
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