When the “Choose an option” menu opens, select “Troubleshoot”.ħ. Select a language, a time, a currency, and a keyboard or another input method, and then click "Next".Ħ. Change the boot order so that the computer can boot from the installation disc before it boots from the internal hard drives.Ĥ. Constantly press F1, F2, F12, DEL or other function key (differ in computer manufacturers) to access the BIOS/UEFI of the machine.ģ.
Put the Windows 10 installation disc in the computer, and start the computer to boot from this media.Ģ. The Startup Repair option in the Windows Recovery Environment should repair the BCD store.
Method 1: Repair BCD store with Startup Repair If the Windows installation disc is not available, you can skip to method 4 to rebuild BCD via a professional Windows 10 BCD repair tool. Note: If you have a Windows installation disc, you could try the first 3 methods to manually repair BCD using command prompt. So, in this section, we will show you the top 4 ways step by step to do Windows 10 BCD repair. Many users are asking “how do I manually rebuild BCD in Windows 10”.
4 effective methods for Windows 10 BCD repair
Well, how to repair Windows 10 BCD files easily while Windows 10 is unbootable? Take a rest, we will show you the top 4 ways step by step at the following description. The Windows Boot Configuration Data file is missing required information. The Boot Configuration Data file doesn't contain valid information for an operating system. There was a problem with a device connected to your PC. File:\Boot\BCD Status: xc000000f Info: An error occurred while attempting to read the boot configuration data. A recent hardware or software change might be the cause. The Boot Configuration Data for your PC is missing or contains errors. Usually, when BCD get corrupted or damaged, it will result in unbootable situations in Windows 10/8/7 and prompts one of the following BCD errors: There are some situations that you might damage the BCD file, as follows:īlue screen or other errors that require a restart When Boot BCD error occurs in Windows 10? For traditional BIOS boot, the BCD file is at /boot/BCD on the active partition.
The full path to this file is “\Boot\BCD”.For UEFI boot, the BCD file is located at /EFI/Microsoft/Boot/BCD on the EFI System Partition. Where is the BCD file in Windows 10? It is stored in a file in folder “\Boot”. So it is of great importance for loading and running operating system successfully. This crucial information in the Windows runtime environment will tell the Windows boot loader where to look for boot information. I think I need to rebuild them, just not sure how.In the Windows (10) OS, BCD stands for Boot Configuration Data. I'm pretty sure my boot folders/partitions got deleted. Disk 1 and 2 above are mirrored 1TB hard drives with Windows 8.1 installed. I should be able to boot into either C: for Windows 10 or G: for Windows 8.1.
When I do diskpart using an install disk, I get the following: list disk The repair Windows option doesn't work as it doesn't see any Windows installs. I guess I could reinstall Windows, but that would be a huge pain in the ass, especially considering I have access to everything on all the drives, they just won't boot. The system cannot find the path specified. I have tried following the fix listed here under the section "Nuclear Holocaust," but it fails after bcdedit.exe /import c:\boot\bcd.temp
I still can't reliably boot to this disk. Wanted: Linux Mint on a USB 3 external drive to be an optional boot. bootrec \rebuildbcd fails - "The system cannot find the path specified" bootrec \fixboot fails - "The volume does not contain a recognized file system." Running the command line on a windows 7 install disk gets the following:ĭiskpart recognizes all 3 hard drives as online and the correct sizes These 3 disks all still have their Windows file systems intact. Original setup was Windows 10 on a 256GB SSD. I'm pretty sure what happened was I ran a program that re-wrote the boot sectors on all my drives and now my PC boots to an OS not detected screen. I went and did a nono and followed random advice on the internet on how to get my pc to multi-boot Linux Mint and Window 8/10.