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How to Fix Windows Bootloader Device Unknown Boot Error
Give a try to our quick procedures right away
3 min. read
Updated onOctober 4, 2023
updated onOctober 4, 2023
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Key notes
Whenbooterrors occur, inexperienced users will usually panic. And, even though they’re quite troublesome, they can be resolved without necessarily resorting to a clean reinstallation from the get-go. CorruptBootloaderhas a variety of errors, and one of them isBootloaderDevice Unknown, where the usual system drive can’t be recognized.
We made sure to cover this and provide you with some solutions for quite a pressing issue at hand.
How can I fix Bootloader Device Unknown errors?
1. Repair the installation
To repair the installation, we’ll need abootable Windows installation drive. You can use a USB flash drive or DVD with the system installation.
If the problem occurs on aWindows 10PC, you can easily create abootabledrive with the Media Creation Tool tool. Once you get your hands on the Windows installation media, the reparation procedure is rather simple.
Here’s what you need to do in order to repairsystem errors:
2. Repair BCD / MBR
The BCD (Boot Configuration Data) or MBR (Master Boot Record) can get corrupted and thus your volume will switch from a system drive to an unrecognized device.
These also require reparations, and bootable media will come in handy again. We need to access the Command Prompt in the pre-setup screen and repair BCD (or MBR) that way.
Here are all the steps you need to follow through:
3. Backup your data and reinstall Windows
Finally, if there’s a possibility tobackup your data, the final step is reinstallation. Starting from scratch might be an issue for many affected users, but sometimes, that’s just what you need to do.
There’s a variety of backup tools that should allow you to get all your files out so you cansafely format the partitionand install a fresh system.
Once you’ve got everything backed up, use the said media installation drive andperform a clean reinstallation.
With that said, we can conclude this article. If you have any questions or suggestions, feel free to tell us in the comments section below.
More about the topics:boot errors,windows 10 fix
Aleksandar Ognjanovic
Aleksandar’s main passion is technology. With a solid writing background, he is determined to bring the bleeding edge to the common user. With a keen eye, he always spots the next big thing surrounding Microsoft and the Windows OS.
Focused on Windows errors and how to solve them, he also writes about the OS’s latest features as well as its interface.
In his free time, he likes to read, listen to music, and enjoy the nature. Hiking is one of his newly found passions.
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