BOOT FAILURE FIX - BOOTREC COMMAND

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When your computer refuses to start up, it can be a stressful and frustrating experience. One possible solution to this problem is to use the bootrec command. In this blog post, we will explore what the bootrec command is, how it works, and how it can be used to troubleshoot startup issues.

What is the bootrec command?

The bootrec command is a command-line tool that is available in Windows 10 and earlier versions of Windows. It is used to repair the Master Boot Record (MBR), Boot Sector, and Boot Configuration Data (BCD) when these files become corrupted or damaged, resulting in startup issues. The command can be accessed through the Windows Recovery Environment (WinRE) or the Advanced Startup Options menu.

How does the bootrec command work?

The bootrec command can perform several operations to repair the MBR, Boot Sector, and BCD. The available operations include:

  1. /FixMbr - Repairs the MBR.

  2. /FixBoot - Repairs the Boot Sector.

  3. /ScanOs - Scans all disks for Windows installations and displays them.

  4. /RebuildBcd - Scans all disks for Windows installations and prompts the user to select which installations to add to the BCD.

  5. /FixHdr - Fixes the partition table or boot sector header.

How to use the bootrec command?

To use the bootrec command, you need to access the Windows Recovery Environment (WinRE) or the Advanced Startup Options menu. Here are the steps to access the command:

  1. Boot your computer using the Windows installation media (USB/DVD).

  2. Choose your language preferences, and then click Next.

  3. Click Repair your computer.

  4. Click Troubleshoot.

  5. Click Advanced options.

  6. Click Command Prompt.

Once you have accessed the Command Prompt, you can use the bootrec command with the appropriate parameters to repair the MBR, Boot Sector, or BCD.

For example, to repair the MBR, type the following command:

bootrec /fixmbr

To repair the BCD, type the following command:

bootrec /rebuildbcd

It is essential to note that the bootrec command should be used with caution as it can cause data loss. Therefore, it is recommended to backup your data before using the command.

Conclusion

The bootrec command is a useful tool to repair startup issues caused by MBR, Boot Sector, or BCD corruption or damage. While it can be a powerful tool, it should be used with caution, and it is recommended to backup your data before using the command. If you are not comfortable using the command, it is best to seek the help of a qualified technician.

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