Suddenly manjaro stopped showing in boot order menu

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Hi @hatem, and weelcome!

You probably had a Windows update. It is known to overwrite the boot loader. I think you’ll have to boot into a live e environment, enter a chroot environment from there, and reinstall GRUB.

How to chroot

  1. Ensure you’ve got a relatively new ISO or at least one with a still supported LTS kernel.

  2. Write/copy/dd the ISO to a USB thumb drive.

  3. When done, boot with the above mentioned USB thumb drive into the live environment.

  4. Once booted, open a terminal and enter the following command to enter the chroot encironment:

manjaro-chroot -a
  1. If you have more than one Linux installation, select the correct one to use from the list provided.

When done, you should now be in the chroot environment.

But, be careful, as you’re now in an actual root environment on your computer, so any changes you make will persist after a restart.

Reinstalling grub from chroot environment.

Once in the live environment, you have to reinstall GRUB. To do so, run the following:

grub-install --recheck --force --target=x86_64-efi --boot-directory=/boot --efi-directory=/boot/efi --bootloader-id=Manjaro

Followed by:

update-grub

When successfully completed, exit the chroot environment:

exit

Followed by rebooting and seeing if it worked.

If it did, feel free to heap on the praise. If, however, it didn’t, well, then is wasn’t me and I’m innocent!

You’ll probably need to go thorough this:

Reinstalling grub to the EFI partition

Add the Manjaro/grub boot entry to your bios/uefi.

The easiest way is reinstalling grub to the EFI partition, because the installation process also creates the boot entry.

For UEFI:

grub-install --efi-directory=/boot/efi --bootloader-id=manjaro --recheck
When rebooting, make sure in your BIOS/UEFI that you are booting from the correct storage.

Hope this helps!

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