I was running a dual boot setup with Windows and Ubuntu on my laptop. I came across a command online that supposedly wipes Linux, so I executed the 'sudo rm -rf' command without fully understanding what it would do. Now, my Windows Boot Manager is missing from the boot loader. I've tried to reinstall it, but Windows needs a driver for installation, and Dell only provides .exe drivers. I did run 'bootrec.exe /RebuildBcd', which added Windows Boot Manager back to the boot loader, but it still doesn't function. I initially tried this using the Windows 10 installer, but I also have Windows 11. The Windows 11 installer doesn't have a 'Repair My Computer' option. During the installation, I used Shift + F10 to bring up the console, but the same commands didn't fix the issue. The good news is that all my files are intact since I managed to reinstall Ubuntu and access them.
3 Answers
Before proceeding, I'd definitely recommend you back up your files just to be safe. It sounds like you may have accidentally removed GRUB, which replaced the Windows Boot Manager. Running 'sudo rm -rf' was quite a bold move! If you want to explore some AI suggestions on how to fix this, I can help you, but I can't guarantee what will work. It might be best to see if someone else has dealt with a similar issue and can share their experience.
Honestly, at this point, I might just stick with Linux since it seems to be working. If I can find a reliable method to run .exe files on it, I could just use that as my main setup.
If `bootrec /Rebuildbcd` didn't do the trick, you might want to check out your EFI partition and assign it a letter. Then you could try running `bcdboot` and `bootrec /fixboot` based on a tutorial I found. Here's the link to the video that explains it: (https://www.youtube.com/watch?v=nyFWrF3VWoo)!
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