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Windows 10/11 Deleted GRUB [Fixed by Experts]

Relax, it might not be deleted just overwritten

8 min. read

Updated onMarch 4, 2024

updated onMarch 4, 2024

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Key notes

If you have a multi-boot setup like Windows 10 and Linux, and you aren’t getting the Grub Bootloader screen to choose which operating system to load, and every time you restart, the Windows OS loads, this guide can help!

This is a common problem users report after they update Windows or install Windows 10. When you update or install Windows, the Windows bootloader overwrites the Grub bootloader.

Some other causes of the GRUB Deleted and Windows 10 loading up are Linux reinstallation, fast startup feature, malware activity, changes to BIOS settings, and third-party boot manager conflicts.

How do I recover GRUB after installing Windows?

1. Disable Fast Startup

Windows Fast Startup is a feature that can interfere with the boot process of other operating systems; that’s why it is advised to disable it to avoid issues. It is not a direct solution but is a preventive measure

2. Change the boot order

This method will work if you have the Ubuntu or Linux entry in the boot menu; if you can’t find it, move to the next one.

3. Add Linux boot entry

4. Modify the registry settings

If you have similar issues butcan’t load the Windows bootloaderinstead, we recommend you check out this guide

5. Reinstall GRUB

First, you need to create a bootable USB drive with Linux Live in it.

Once completed, you will have a bootable Linux USB flash drive. Now follow these steps to make the USB priority to boot

Now when your computer boots up, you will get a functional Linux environment to reinstall GRUB.

6. Use the Boot-Repair tool

Create the bootable USB drive with Linux Live distribution and change the boot order using the steps mentioned in Step 3, then plug the flash drive into your computer, and follow these steps:

If you can’t seeWindows in the GRUBmenu, then read this guide to understand the reasons and solutions to fix it.

How can I fix can’t boot up Windows 10 after removing Ubuntu?

Before proceeding with any steps, go through the following preliminary checks:

Windows bootloader often overwrites the GRUB bootloader after an update or upgrade, resulting in the missing GRUB menu.

To avoid GRUB being deleted on Windows 10, you cankeep the Fast startup feature on Windows disabled, install Windows & Linux on separate hard drives or partitions, and keep GRUB updated.

This isn’t the only issue, and we wrote about theGrub rescue message on Windows 10in one of our previous guides.

Stuck somewhere? Feel free to mention your queries in the comments section below. We will be happy to help!

Windows 10/11 Deleted GRUB [Fixed by Experts]#

How do I recover GRUB after installing Windows?#

1. Disable Fast Startup#

2. Change the boot order#

3. Add Linux boot entry#

4. Modify the registry settings#

5. Reinstall GRUB#

6. Use the Boot-Repair tool#

How can I fix can’t boot up Windows 10 after removing Ubuntu?#