I have two hard drives, one with Ubuntu 22 (Jammy) and a separate drive with Windows 10. System boots to Ubuntu by default, as set in BIOS. I'm trying to get my grub boot menu to list the Windows 10 drive, as I previously had on Ubuntu 18.

  1. The Windows drive is mounted (visible and accessible in /media)
  2. ntfs-3g is installed

sudo os-prober still doesn't detect. Naturally, grub also fails (yes, I have GRUB_DISABLE_OS_PROBER=false)

Any ideas?

Boot-repair summary: https://paste.ubuntu.com/p/2bCVt7QPJY/

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  • Are both installed in same boot mode, probably with newer system both should be UEFI. Please copy & paste the pastebin link to the Bootinfo summary report ( do not post report), do not run the auto fix till reviewed.Lets see details, use ppa version with your USB installer (2nd option) or any working install, not Boot-Repair ISO help.ubuntu.com/community/Boot-Repair & sourceforge.net/p/boot-repair/home/Home
    – oldfred
    May 14 at 19:28
  • Added pastebin summary. Please note that the 2 nvme drives are the relevant ones (others are just externals). May 15 at 4:35
  • hmm can u tell me why you have windows in /media usually when you are dual booting grub only need to find efi for windows located in /boot/efi May 15 at 12:20
  • When I was trying to solve the same problem, I frequently saw advice to disable Fast Boot option in Windows May 15 at 13:34
  • It's only in /media because I opened the drive in Thunar (file manager) to view the files and ensure it is accessible. Idk if it automatically mounts there. May 15 at 17:47


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