[SOLVED]help finding why dual boot GRUB only detects arch linux and UEFI bios but not windows boot | Arch Linux Community | Page 1

cedar flint · 2025-12-06T20:27:30.488Z

help me understand what I can do to 1. make sure i didnt delete all my windows stuff 2. make it appear again on grub

cedar flint Dec 6, 2025, 8:27 PM

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help me understand what I can do to

make sure i didnt delete all my windows stuff
make it appear again on grub

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I did not delete windows right? its right there, why is it not picking it up

cedar flint Dec 6, 2025, 8:39 PM

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cedar flint

this is my grub.cfg

smoky sundial Dec 6, 2025, 8:59 PM

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cedar flint

@lusty sparrow ^
same case, just a post. its weird how the config says the entry should exist yet doesnt

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the os-prober hook has seemingly ran and found the partition and bootable image and added it to the grub menu

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seemingly at least

lusty sparrow Dec 6, 2025, 9:01 PM

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cedar flint

and the gub.cfg is located where?
also, can you please show me lsblk -fs ?

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@warped jetty here

cedar flint Dec 6, 2025, 9:03 PM

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warped jetty Dec 6, 2025, 9:04 PM

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cedar flint

Show the output of sudo grub-mkconfig -o /boot/grub/grub.cfg

cedar flint Dec 6, 2025, 9:04 PM

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/boot/grub/grub.cfg

lusty sparrow Dec 6, 2025, 9:04 PM

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warped jetty Show the output of `sudo grub-mkconfig -o /boot/grub/grub.cfg`

..thats wrong in his case

lusty sparrow Dec 6, 2025, 9:05 PM

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cedar flint /boot/grub/grub.cfg

execute this:
sudo grub-mkconfig -o /boot/efi/grub/grub.cfg

warped jetty Dec 6, 2025, 9:05 PM

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lusty sparrow ..thats wrong in his case

What do mean? just want to see the output

lusty sparrow Dec 6, 2025, 9:05 PM

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warped jetty What do mean? just want to see the output

look at the mountpoint of /boot

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hes been pushing the grub config to the wrong location

cedar flint Dec 6, 2025, 9:05 PM

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o

lusty sparrow Dec 6, 2025, 9:05 PM

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becasue his /boot is mounted to /boot/efi/

warped jetty Dec 6, 2025, 9:06 PM

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cedar flint o

Show the output of ls -alh /boot/?

smoky sundial Dec 6, 2025, 9:06 PM

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lusty sparrow execute this: ```sudo grub-mkconfig -o /boot/efi/grub/grub.cfg```

i vouch this ^

cedar flint Dec 6, 2025, 9:06 PM

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I did it

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i mean the command

lusty sparrow Dec 6, 2025, 9:07 PM

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cedar flint I did it

reboot, it should work now

cedar flint Dec 6, 2025, 9:07 PM

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Yea it does work now thanks

lusty sparrow Dec 6, 2025, 9:08 PM

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cedar flint Yea it does work now thanks

why is your /boot mounted to /boot/efi/

cedar flint Dec 6, 2025, 9:08 PM

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chatgpt

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i dk what i was doing

lusty sparrow Dec 6, 2025, 9:08 PM

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that non-standard mountpoint is the whole problem...

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it should be just /boot

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@cedar flint

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... solved

lusty talonBOT Dec 6, 2025, 9:14 PM

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#17680 📣 If there is nothing else that we can do for you, please close this thread by adding "[SOLVED]" to the title.

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Thank you

cedar flint Dec 6, 2025, 9:16 PM

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[solved]help finding why dual boot GRUB only detects arch linux and UEFI bios but not windows boot

#[SOLVED]help finding why dual boot GRUB only detects arch linux and UEFI bios but not windows boot