We made sure to cover this and provide you with some solutions for quite a pressing issue at hand.

Solutions to fix Bootloader Device Unknown errors

Solution 1 – Repair the installation

In order to repair the installation, we’ll need a bootable Windows installation drive. You can use a USB flash drive or DVD with the system installation. If the problem occurred on a Windows 10 PC, you can easily create a bootable drive with the tool called Media Creation 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 repair system errors:

READ ALSO: 5 best Windows 10 boot repair software to revive your PC in 2019

Solution 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 require reparations as well, and that bootable media will come in handy again. What we need to do is 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:

READ ALSO: FIX: Corrupt BCD in Windows 10

Solution 3 – Backup your data and reinstall Windows

Finally, if there’s a possibility to backup your data, the final step is reinstallation. Starting from a 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 which should allow you to get all your files out so you can safely format the partition and install a fresh system. Once you’ve got everything backed up, use the said media installation drive and perform a clean reinstallation. You can find the in-depth instructions in this guide. With that said, we can conclude this article. In case you have any questions or suggestions, feel free to tell us in the comments section below. RELATED STORIES YOU SHOULD CHECK OUT:

FIX: Corrupt BCD in Windows 10 What to do if your external HDD won’t format 5 best bootable backup software for Windows 10 [2019 LIST] Move Windows 10 to SSD AOMEI Backupper

SPONSORED Name * Email * Commenting as . Not you? Save information for future comments
Comment

Δ