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How to fix Windows 10/11 MBR without CD [FULL GUIDE]

4 min. read

Updated onOctober 4, 2023

updated onOctober 4, 2023

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Key notes

TheWindows 10MBR(Master Boot Record) might get corrupted or you might experienceMBR-related issues ifyour device was infected with malware, or if an improper shutdown has occurred.

So, as you might know, it’s more than recommended to protect your device by usingdedicated antivirus and antimalware toolsand you should always be careful when shutting down your Windows computer.

Fixing Windows 10MBRcan be quite easy especially if you can use the Windows 10 installation DVD. You just need to follow the troubleshooting process and to run some commands inCommand Prompt.

But what can you do if you can’t use theWindows 10CD?

In that case, the process is a little bit tricky as you need to be fast when completing the troubleshooting steps. You will see what I am talking about at the right time in the steps below.

How do I fix Windows 10 MBR without an installation disk?

1. Use a third-party dedicated software

When you can’t find the Windows 10 CD, you still have a chance of booting your PC, as well as recovering the OS if it’s unbootable using a dedicated tool such asTenorshare Windows Boot Genius.

This tool can help you with booting up a PC that won’t start properly, burning a bootable ISO image of Windows 10 on a CD/DVD/USB, recover all passwords, product keys, and data in case of boot failure.

So not only you will be able to restore your system and files, but also to repair the crashed MBR or a corrupted registry caused byBSOD, various system crashes, virus infection, or partition damage.

Tenorshare Windows Boot Genius supportsWindows 10/8.1/8/7/XP/Vista.

Tenorshare Windows Boot Genius

2. Use Windows Troubleshoot

3. Run Bootrec

bootrec.exe /rebuildbcd

bootrec.exe /fixmbrbootrec.exe /fixboot

4.  Disconnect USB portable drive

If there is an external USB portable drive connected to your Windows PC, this may explain why you can’t boot your device. Many users who encountered this issue confirmed that unplugging the drive solved the problem.

So, that’s how you can fixWindows 10MBRwithout using your installation disk or DVD. If you’re running on an older OS, the tool recommended in the first step, Tenorshare, will surely do the job for you.

If you have questions or if you can’t apply the steps above, share your thoughts with us by using the comments field from below and we will help you as soon as possible.

Also, if you’ve got additional tips and suggestions on how to fix Windows 10MBRwithout an installation disk, you can list them in the comments below.

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More about the topics:boot errors,windows 10 fix

Andrew Wafer

Andrew is not just trying to bring you closer to Windows, but he’s truly interested in this platform. He just happens to be passionate about sharing that knowledge with our readers and that’s what makes his presence here, at WindowsReport, such a valuable one.

He specializes in writing about the best products for this operating system and Windows 10 fixes. Determined and creative, Andrew also loves coffee, country music, and Sunday mornings.

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