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MBR Error 1: Common Causes & How to Fix it
Manually rebuild the BCD if you get this error
5 min. read
Updated onOctober 4, 2023
updated onOctober 4, 2023
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Key notes
MBR error 1 typically refers to an error that occurs with the Master Boot Record (MBR) of a computer’s hard drive. Many users complain that the error appears during startup, preventing the system from booting. Hence, this article will discuss fixing the error on your PC.
Alternatively, you can check our review of thebest boot repair toolsfor Windows computers.
What causes MBR Error 1?
Several factors may be responsible for the MBR errors on Windows, including:
The causes listed above are not necessarily the same on every computer. However, we’ll take you through the basics for fixing the issue.
How can I fix the MBR Error 1?
Before trying any advanced fixes, start by performing some preliminary checks to identify and potentially fix the issue:
If the problem persists after performing these steps, you may need to proceed with more advanced troubleshooting methods:
1. Change the Boot Order in BIOS
Setting the hard drive at the top of the boot order allows the computer to boot only from the device with a booting procedure defined.
Check our article for steps to fixthe selected disk is not a fixed MBR diskerror if you encounter it.
2. Manually rebuild the BCD
The bootrec command-line tool in the Windows Recovery Environment will rebuild and repair the Master Boot Record. Read about what to do if thebootrec /fixboot access is deniedon Windows PCs.
3. Run Diskpart commands after the Startup repair
4. Use Windows Boot Manager as the default boot
In conclusion, you can learn what to do ifWindows 10 won’t booton your PC. Also, we have a detailed article about how to fix theEFI Bootloaders on Windows 11.
Should you have further questions or suggestions regarding this guide, kindly drop them in the comments section below.
More about the topics:startup error,Windows 11
Henderson Jayden Harper
Windows Software Expert
Passionate about technology, Crypto, software, Windows, and everything computer-related, he spends most of his time developing new skills and learning more about the tech world.
He also enjoys gaming, writing, walking his dog, and reading and learning about new cultures. He also enjoys spending private time connecting with nature.
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Henderson Jayden Harper
Windows Software Expert
Passionate about technology, Crypto, software, Windows, and everything computer-related, he spends most of his time developing new skills.
