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Dual Booting (lemmy.ca)

submitted 1 year ago by remotedev@lemmy.ca to c/linuxquestions@lemmy.zip

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I'm going nuts here. I hope dual boot questions are ok here.

For backstory, I was dual booting windows 10 and linux mint. Things were fine, until I think when windows was trying to update and on a restart it went to linux, and afterwards I wasn't able to boot up windows. I tried repairing windows with a usb but that was giving me hell about drivers, so I just wiped that hdd and installed windows fresh. Worked fine, got to play a game on there which was why I wanted to get back on windows, lol, all good.

UNTIL, I try to boot back to linux. Getting the grub screen, everything I'm seeing online about setting root to the harddrive where grub is was not working. Back to my tried and true method of wiping it all and starting fresh. I wipe it, get a new linux usb iso, boot into it, install linux, it says to remove media and hit enter to continue. I do that. reboot, get this zoomed in grub window where I can't type at all.

So I'm on windows, trying to hope someone here has had this happen before and knows what I'm missing or what I did wrong because this is really making me crazy.

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[–] Presi300@lemmy.world 2 points 1 year ago

Yeah, windows tends to sometimes nuke grub when it updates, if they are in the same drive. I've found that the easiest way to fix it is to chroot into the Linux system from a live iso, re-install grub and re-make it's config...

As for preventing this from happening again, the dumb way would be to use something like AtlasOS, ReviOS or Chris Titus's windows deboating script and disabling Windows update entirely.

The smart way would be to move Linux, grub and grub's EFI partition to a separate disk all together... That way windows has a harder time nuking them (though it still does it sometimes).

And no, this issue is not grub specific, windows can and will occasionally nuke any other bootloader when it updates...