In this example, you can see that the EFI boot partition has the partition 2 index (aka Volume 5 with the Hidden label). Select the drive where your Windows is installed (if there is only one hard drive in the system, its index should be 0):ĭisplay the list of partitions and volumes on this disk: list partition Use another guide to restore the BCD bootloader on a BIOS computer with MBR (Master Boot Record) disk. On MBR disks, the Windows bootloader is stored on a separate System Reserved partition, and not on the EFI partition (in any case, don’t convert the MBR partition table to GPT until you fix the Windows bootloader !!).
After booting into the recovery environment, you need to open a command-line console: select System Restore – > Troubleshoot-> Command Prompt). To repair the bootloader configuration (BCD), you have to boot from the original Windows installation media (also, you can use a recovery disk or a special UEFI bootable USB flash drive). Let’s move on to the procedure for manually repairing the EFI Windows bootloader on a UEFI computer. Using BCDBoot to Manually Repair EFI Bootloader in Windows
Boot your device from the recovery disc or Windows 10/11 installation media.
The procedure for the automatic repair of the EFI bootloader used in the Windows Recovery Environment (WinRE) is usually useless in such cases. Automatic Windows Bootloader Repair with WinRE If you only see a black screen with the message “An operating system wasn’t found” when you boot your computer, it’s likely that the Windows bootloader has been completely removed.
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