At the time of when I installed Debian on my computer I also had 2 other windows restores / boot. I still have windows but I did another install of windows to clean my drives / get everything organized. When I formatted the old drive where the windows were installed Debian boot screen still has them for an option and then if I select then my computer will say missing bootmgr (because windows is not there anymore). I would mainly like to clean up the screen, how do I do this?

Re: Get rid of Linux (debian) boot files 80 80

Try this:

sudo update-grub

Or this:

sudo grub-mkconfig -o /boot/grub/grub.cfg

That should reconfigure and update the grub2 bootloader menu.

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