修复引导问题的有效故障排除步骤之一是修复主引导记录^{(Master Boot Record)}或 MBR。MBR损坏的常见原因之一是恶意软件感染。不正确^(Improper)的关闭也可能导致MBR损坏。有时我们可能会发现安装了Linux Grub的问题，而Windows无法检测到它。在某些情况下，您可能会收到Bootmgr is missing 错误。在这种情况下，您可以运行重建或修复 MBR来修复这些问题。

修复主引导记录 MBR

Windows 11/10/8/7的过程几乎相同。首先^(First)，您需要一张Windows安装DVD。没有它，将很难继续进行。

1]在引导系统时^{(1] )}按 F8^{(Press F8)}进入Windows 恢复菜单^{( Windows Recovery Menu)}。

2]单击疑难解答。^{(Troubleshoot.)}

3]点击高级选项^{( Advanced options)}进入自动修复^{(Automatic Repair)}菜单。

4]我们需要使用Bootrec.exe 工具^{(Bootrec.exe tool)}。单击^(Click)命令提示符并依次键入以下命令：

bootrec /RebuildBcd

bootrec /fixMbr

bootrec /fixboot

退出，现在继续并重新启动您的系统。在某些情况下，您可能需要运行一些额外的命令。

bootsect /nt60 SYS or bootsect /nt60 ALL

备份 MBR^{(backup MBR)}或创建系统恢复磁盘^{(System Recovery Disk)}是明智的，这样万一发生这种情况，您就不必为Windows 恢复磁盘^{(Windows Recovery Disk)}运行。要在Windows^(Windows)中创建系统恢复驱动器，请按照下列步骤操作：

• 按 Win + R 并输入RecoveryDrive.exe
• 单击下一步^(Next)
• 插入USB 驱动器后，^{(USB drive, )}它将开始为您的USB驱动器创建^(USB)恢复^(Recovery)。

我希望你觉得这篇文章有帮助。如果您有任何问题，请随时将它们发布在我们的评论部分或我们的论坛中。

MBR Backup & HDHacker是两个免费软件，可以帮助您备份和恢复MBR & Boot Sector。这篇文章展示了如何重建 BCD^{(rebuild BCD)}。

相关阅读^{(Related read)}：无法打开引导配置数据存储^{(The boot configuration data store could not be opened)}。

Restore, Fix, Repair Master Boot Record (MBR) in Windows 11/10

One of the effective troubleshoоting steps, to fix boot issues is to repair Master Boot Record or MBR. One of the common reasons why an MBR can get corrupted is due to malware infections. Improper shutdowns can also lead to MBR corruption. Sometimes we may find issues where Linux Grub is installed, and Windows is not able to detect it. On some occasions, you may get the Bootmgr is missing error. In such cases, you can run the rebuild or repair MBR to fix these issues.

Repair Master Boot Record MBR

The process is almost the same for Windows 11/10/8/7. First and foremost, you need a Windows installation DVD. Without that, it will be hard to proceed.

1] Press F8 while booting the system to go into the Windows Recovery Menu.

2] Click on Troubleshoot.

3] Click on Advanced options to get into the Automatic Repair menu.

4] We need to use the Bootrec.exe tool. Click on command prompt and type in the following commands, one after the other:

bootrec /RebuildBcd

bootrec /fixMbr

bootrec /fixboot

Exit and now go ahead and reboot your system. In some cases, you may need to run some additional commands.

bootsect /nt60 SYS or bootsect /nt60 ALL

It’s wise to backup MBR or create a System Recovery Disk so that in case something like this happens you don’t have to run for the Windows Recovery Disk. To create a system recovery drive in Windows, follow these steps:

• Press Win + R and type in RecoveryDrive.exe
• Click Next
• Once you insert the USB drive, it will start creating the Recovery for your USB drive.

I hope you find the article helpful. In case if you have any questions, please feel free you post them under our comments section or in our forum.

MBR Backup & HDHacker are two freeware that can help you backup and restore the MBR & Boot Sector. This post shows how to rebuild BCD.

Related read: The boot configuration data store could not be opened.

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