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[SOLVED-See Comments] My "Windows" boot entry has disappeared from the EFI menu (pawb.social)

submitted 7 months ago* (last edited 7 months ago) by VinesNFluff@pawb.social to c/techsupport@lemmy.world

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Title. I dual-boot Windows and Linux. I always saw people making "WINDOWS DELETED MY LINUX BOOTLOADER OMGOMG" posts and it had never happened to me. Now, the opposite has happened. I switched from EndeavourOS to OpenSUSE and now my windows install is no longer selectable on boot.

I keep Windows in a separate drive entirely, so instead of using grub, I use the EFI's boot-select menu thingamafuck (look I don't know jargon okay?) to choose Windows when I need it.

Well today it's not there. Only the Linux entries show up. The Windows partition itself seems to be in good order, like, I can access it from within Linux no problem.

But yeah it doesn't show up on my EFI selector thingie. I imagine I could get the EFI Shell going, but I have no idea how to use THAT either.

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[–] PainInTheAES@lemmy.world 3 points 7 months ago (1 children)

Is the windows efi file still in your boot partition or did you format it on install or did you make a new second EFI partition? If you go into your BIOS can it find the EFI file to boot into Windows?

[–] VinesNFluff@pawb.social 3 points 7 months ago

I did not touch the windows partitions, and that includes the microsoft reserved partition where the windows bootloader (supposedly, linux doesn't let me mount the MSR partition) is.

I only messed with the drive where Linux was installed and there, I made its own, separate /boot/efi partition.