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When I recreated BCD, I was able to boot my original Windows. Yes, it lets me choose my Windows installation, but when I do it fails with "The requestted system device cannot be found."

Windows 10 Won’t Boot? Fix It With Startup Repair And Bootrec Commands

Mostly, the installation is automatic, but keep an eye on it and answer any questions you’re asked. Once the installation is done, Windows 10 will boot successfully, and you just need to sign in with your Microsoft account, and get everything ready. Select USB Flash Drive option and choose the correct USB flash drive. Then click Yes to confirm that you want to burn the boot flash drive. Input ren BCD BCD.bak and press Enter to change the name of BDC file from BCD to BCD.bak file.

To Rebuild Mbr

Input select volume 3 and press Enter (here volume 3 is the volume number of the EFI partition). Create a Windows 10 installation media DVD/CD disc by using Microsoft’s Media Creation tool. For example, some users boot with the advanced USB 3.0 interface.

However, the USB 3.0 interface cannot be detected by Windows Repair Environment. In this case, you may try a different USB slot and check if this issue still exists. However, when people try to use the above command to fix MBR, it may result in "rebuildbcd the requested system device cannot be found" error. Hello Paul, nice to hear you, we couldn’t take precautions in such cases like Blue screen, BCD, errors to prevent them from occurring.

  • Close all windows and restart the computer.
  • Navigate to the recovery folder by typing cd recoveryfollowed by an Enter.
  • Set the default boot device to CD/DVD as the following.

I don’t have 100MB partition, never had, and my partition is already active, as I said in my question. I tried all that KB you mention suggests, but bootrec /RebuildBcd fails with "The requested system device cannot be found." Reboot and boot back into the Windows 7 x64 install disc. In the System Recovery Options dialog box, click Command Prompt. With that modification, all the commands in tutorial work as expected.

On the System Recovery Options window, click the command prompt. When the BIOS is loading, press the supported functional keys (Del, F2, F5, F9, F11 backspace, etc) to enter inside the boot mode. Insert the Windows Vista/7/2008 installation CD/DVD into the recovered system’s DVD-ROM and restart the system. I don’t have any operating systems listed.

Finally, out of few options, select Command Prompt. The Command Prompt that opens is similar to the one that you normally access. Step 2 – So, during the boot press F12 and reach out to the menu. However, depending on the computer’s configuration, the key to boot to media may differ.

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All you can do is have a PC with the specifications meeting your requirement and get ‘Windows update’ whenever available. Suggestion – Going for Registry change or system files https://wikidll.com/microsoft/trkwks-dll edit then remember to take a backup or create a restore point before Starting.

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Step 3: Rebuild Boot Files

Windows 7, 8 and 8.1 could install on a Legacy BIOS using MBR. However Windows 8, 8.1 and 10 were designed to install on the UEFI BIOS using the EFI bootloader and GPT. When I hold down alt now when booting the mac, I no longer see Windows as an option to boot from. I tried running the Bootrec command again from the Windows 10 USB however it gives the same exact error as shown above in the screenshot, no different. Note that this may remove Virtual PC check or other pre-installed tools.

Using The Installation Disc

To navigate between all the available keyboard layouts, press "See more keyboard layouts". Scan the integrity of your file system and hard drive and run Windows startup repair command prompt via chkdsk. The boot sector contains some code and data that helps BIOS hand off the startup process to Windows. It also hosts the Master Boot Record (MBR), which contains the disk signature, partition table for the disk, and a small bit of code called the master boot code. To repair Windows 10 boot, you can use the Startup Repair tool.

First, make sure that you’re using the same Windows version and edition in your installation media and that the Boot Mode is correct. If they are, we need to rebuild our bcd completely. Make sure that your installation media/recovery disk is the same Windows msvcp71.dll version and edition as the OS you’re trying to fix. If your OS is Windows 8.1 Single Language, use a Windows 8.1 SL installation media, if you have a Windows 10 N OS, use a Windows 10 N installation media, etc.

Here, if the BCD boot file is corrupted or missing, you’re likely to receive a message that reads, "The Boot Configuration Data for your PC is missing or contains errors." 7) Select all needed files, and click on theSave button to store them in a safe place.

  • Select the system hard disk and choose Rebuild MBR at the drop down menu.
  • Many users are asking “how do I manually rebuild BCD in Windows 10”.
  • Once you have completed the steps, the Startup Repair will start to scan, detect, and fix any problems that might prevent your Windows 10 from loading correctly.

Here, since you cannot boot your Windows because the Boot Configuration Data file is missing, you can try saving all needed files in a healthy removable drive. 5) Now, select the target drive to recover lost data from Windows whose Boot Configuration Data file is missing. You’ll need to use the recovery tools on your installation media. If you don’t have any installation media (like a disc or USB device), contact your system administrator or PC manufacturer." The error ‘Element not found’ is often caused by inactive system partition or if the EFI partition is not assigned a letter.

All you have to do is load up the Recovery Console and run a simple command. All of your data, applications, settings, etc are still intact on the drive and once the MBR is fixed, the computer will load normally. Although Windows now boots and works, the ALT-F10 keys still lead to the same error screen and error code 0xc as I described a couple of posts ago. I also noticed that the hidden 400MB Recovery partition seems to be completely empty, even when viewed from the command line in Windows recovery mode.

This error occurs when users use the ‘bootrec /fixboot’ command in the command prompt. This command is used to repair Windows boot up whenever it is not functioning properly. This issue can turn out be quite critical as you won’t be able to use your computer unless you fix the system’s boot up which can be done using the bootrec command. This means that the system cannot find a Windows installation on your machine.

Solve Boot Configuration Data (missing or corrupt BCD) file problem in Windows 8/8.1/10. Running all these commands will create a new MBR and tell it to use the correct Windows boot loader in order to load that specific installation from your drive. If you are using Windows 10 or Windows 8.1, once your PC boots from the USB drive, you will be asked to choose the keyboard layout that you want to use. When this happens, click or tap on the layout that matches your keyboard.

Press Enter and then type in the Administrator password. Well, it’s actually fairly easy to fix the Master Boot Record in XP and Vista.