bootrec /rebuildbcd : Scans all disks for Windows installations and allows you to add them to the boot configuration.
Common boot errors like "Operating System not found" or BCD corruption are typically fixed using bootrec /fixmbr : Repairs the Master Boot Record. bootrec /fixboot : Writes a new boot sector to the system partition. bootrec /rebuildbcd windows server 2012 r2 boot repair
In the command prompt, navigate to the boot folder: bootrec /rebuildbcd : Scans all disks for Windows
: Ensure the Boot Order in the BIOS is correct (Hard Drive should usually be first after the repair). If using UEFI, ensure the boot entry points to the bootmgfw.efi file on the EFI partition. bootrec /rebuildbcd In the command prompt, navigate to
Once the command prompt is open, run these commands in order to fix the Master Boot Record and boot configuration: bootrec /fixmbr – Fixes the Master Boot Record.
Writes a new master boot record to the system partition (does not overwrite existing partition table).