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What is bootcfg rebuild?

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What is bootcfg rebuild?

The bootcfg /rebuild command scans the hard disks of the computer for Windows NT, Windows 2000, or Windows XP installations, and then displays the results. You can add the detected Windows installations.

How do I fix boot ini in Windows 10?

  1. Boot to the media.
  2. Click Next on the Windows Setup menu.
  3. Click “Repair your computer.”
  4. Choose Troubleshoot.
  5. Select “Advanced options.”
  6. Pick “Command Prompt.”
  7. Type Bootrec /fixmbr and press the enter key.
  8. Type Bootrec /scanos and press the enter key.

How do I use Fixmbot and FixBoot commands?

Fix the MBR in Windows 8 or 8.1

  1. Boot from the original installation DVD (or the recovery USB)
  2. At the Welcome screen, click Repair your computer.
  3. Choose Troubleshoot.
  4. Choose Command Prompt.
  5. When the Command Prompt loads, type the following commands: bootrec /FixMbr bootrec /FixBoot bootrec /ScanOs bootrec /RebuildBcd.

What does Bootrec ScanOs do?

bootrec /ScanOs will scan the hard drives for any installations. ScanOs will also print installations that are not currently in the BCD. bootrec /RebuildBcd will scan for installations on your hard drive and allows you to select which to add to the BCD.

What causes boot BCD error?

One of the most common causes of this error is the BCD that became missing or corrupt. That could happen because of disk write errors, power outages, boot sector viruses, or errors made while configuring the BCD manually.

How do I remove BCD from Windows 10?

To delete old EFI entries, open an elevated Command Prompt, type bcdedit /enum firmware, and press Enter. Unlike the command used for the Windows Boot Manager, the “enum firmware” command lists all objects available in the BCD store, including any Linux installations.

What is the purpose of the boot INI file?

The Boot. ini file is a text file that contains the boot options for computers with BIOS firmware running NT-based operating system prior to Windows Vista. It is located at the root of the system partition, typically c:\Boot.

What is BCD file?

Boot Configuration Data (BCD) files provide a store that is used to describe boot applications and boot application settings. BCDEdit is a command-line tool for managing BCD. It can be used for a variety of purposes, including creating new stores, modifying existing stores, and adding boot menu options.

What is MBR windows10?

The Master Boot Record (MBR) is a special type of boot sector found at the beginning of your system partition. The MBR informs the boot process as to what is about to follow, such as partition layouts, sizes, file systems, and so on. Luckily, there are several ways to fix the master boot record in Windows 10.

How do I use Bootrec EXE tool?

Instructions on how to access bootrec.exe without the installation disc in Windows 7:

  1. Reboot the computer.
  2. Press F8 as the Windows 7 logo appears.
  3. Select Repair Your Computer.
  4. Hit Enter.
  5. Select Command Prompt.
  6. When it opens, type the necessary commands: bootrec /rebuildbcd.
  7. Hit Enter.