I've got Windows 10 only for a couple of games and use Ubuntu for everything else. However, Windows isn't showing up in my Grub boot menu. Right now, I'm using a Gnome extension to reboot into UEFI, but it's super annoying to change the boot order every time I want to play those two games. I've tried OS Prober, and while it detects the install, it doesn't seem to help. Is there a better solution?
3 Answers
You should try running `sudo update-grub` in the terminal. If you see an error that says `os-prober is disabled`, open the config file with `sudo nano /etc/default/grub`, scroll to the bottom, and add `GRUB_DISABLE_OS_PROBER=false`. Save it and run `sudo update-grub` again - this time, it should find the Windows bootloader and include it in the Grub menu. After that, you should be able to choose between Ubuntu and Windows on boot. And hey, you can even spice up your Grub with some themes if you're feeling adventurous!
I found a resources page that might help! There's a lot of good info there. Regular backups are essential, and running experiments in a virtual machine can save a lot of hassle. Make sure you understand commands fully before hitting Enter!
Did you install Grub after making updates? You might need to run `sudo grub-install /dev/sdX` (replace X with the appropriate drive letter for your EFI). This can sometimes fix boot issues.

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