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[Support] UEFI boot order changed when booting into windows

First off, sorry if this isn’t quite the right community, I did try posting on !pop_os but didn’t get a solution. You can see that post here

I have my computer set up to dual boot pop!_os and windows on separate drives. I have my UEFI set up to boot into pop OS and I use systemd-boot to load windows, however after booting to windows and restarting my UEFI boot preferences are changed so Windows boots first instead of pop os.

I have fast boot and secure boot turned off in the bios and fast boot turned off in windows. How can I prevent this?

alpaga1 ,

Hi I am not a linux pro, but for me a quick fix what worked was to disable Windows boot. basically everytime windows boot it puts itself as priority, but cannot any more this way. I would then use the grub menu at boot to select what os i needed. I use mint but since both are based on ubuntu should work in the same way. found this online, more or less what i did: unix.stackexchange.com/…/grub2-gone-every-time-i-…unix.stackexchange.com/…/how-can-i-prevent-window…

flashgnash ,

My solution to this was to just set the boot order how I wanted it and then lock it from BIOS

putoelquelolea ,

I had a similar issue, and no changes made in Linux would stick. Bootice is a Windows program that allows you to make changes in UEFI boot order and was the only solution that worked for me. Good luck!

tiny_electron ,

Change boot order in UEFI and then save your changes. It did the trick for me last time windows screw me over

rickywithanm OP ,

That’s what I’m doing, but it gets changed again every time I boot to windows

ebits21 ,
@ebits21@lemmy.ca avatar

My solution years ago when windows used to do this to me with a dual boot was to move windows to a virtual machine instead, which works great for me!

Would recommend as much ram as possible though. I find performance great with 16gb of ram to share between host and the vm.

Windows updates would often mess up boot prior to me switching. Very annoying.

danielton ,
@danielton@lemmy.world avatar

What VM software would you recommend? The issue I always run into is GPU acceleration whenever I use the usual virt-manager or VirtualBox.

ebits21 ,
@ebits21@lemmy.ca avatar

Virt-manager is my preferred but I only have integrated graphics anyway.

skullgiver , (edited )
@skullgiver@popplesburger.hilciferous.nl avatar

deleted_by_author

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    rickywithanm OP ,

    I’m a little confused about what I’m meant to be doing in this part

    You’ll need to find the partition number and the reference to the disk in /dev for your boot partition /dev/disk/by-partuuid/172a0183-3a89-4b78-b1b3-d016ca6675f7. You can try using ls -l /dev/disk/by-partuuid/172a0183-3a89-4b78-b1b3-d016ca6675f7 to see where it points (i.e. for /dev/sdb2 you would use --disk /dev/sdb --part 2).

    I also, get this error “invalid numeric value Y” when trying to manually register systemd-boot

    Ludrol ,
    @Ludrol@szmer.info avatar

    lsblk -o NAME,SIZE,MOUNTPOINTS,UUIDtry this command, it will show you what partitions you have on the machine then modify previous command with correct labels and UUID

    sometimes you need to modify the command
    sudo efibootmgr --create --disk /dev/sdX --part Y --loader “\EFI\systemd\systemd-bootx64.efi” --label “Pop_OS” --unicode
    /dev/sdX --part Y needs to be replaced with correct labels for partitions, If you are lost just paste the output of the lsblk -o NAME,SIZE,MOUNTPOINTS,UUID command

    rickywithanm OP ,

    Thanks for explaining, I’m still quite new to Linux in general

    skullgiver , (edited )
    @skullgiver@popplesburger.hilciferous.nl avatar

    deleted_by_author

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    rickywithanm OP ,

    I understand now. I now have a pop OS boot entry, and it’s set as first boot priority. However, I’m still having the original issue of windows putting itself first on the boot priority after rebooting from windows.

    Edit: after another reboot the pop_os boot entry I just made has vanished

    skullgiver , (edited )
    @skullgiver@popplesburger.hilciferous.nl avatar

    deleted_by_author

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    rickywithanm OP ,

    Could updating my bios and all that help with this issue?

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