The “bootmenupolicy” setting in the Boot Configuration Database (BCD) defines the type of boot menu (Standard vs. Legacy) the system will use. For Windows 11, 10, Windows 8.1, Windows 8, and Windows RT, the default is Standard. For Windows Server 2012 R2, Windows Server 2012, the default is Legacy. When Legacy is selected, the Advanced options menu (F8) is available.Read more
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How to Rebuild the EFI Boot Partition, BCD and Boot Files
The EFI boot partition is a FAT32 partition that stores the boot files and the boot configuration data (BCD) to load Windows. Sometimes, the boot partition or the BCD may get corrupted, and the boot files remain unserviceable by the Windows Setup process. In that case, rebuilding the EFI partition and recreating the BCD & boot files should resolve the issue.Read more
