The Xubuntu install was an install into one partition (SDA2) where two partitions exist both with OSes (SDA1 & SDA2).
The resulting Xubuntu install booted without grub appearing on boot, and no way for a user to boot into prior SDA1 install of Lubuntu noble. Attempt as in original post of `sudo update-grub` reports Warning: os-prober will not be executed to detect other bootable partitions. thus my prior 24.04 system is not offered as boot option. ** Summary changed: - lubuntu reinstall on dual boot system, grub does appear & offer OS choice + lubuntu/xubuntu reinstall on dual boot system, grub does appear & offer OS choice ** Summary changed: - lubuntu/xubuntu reinstall on dual boot system, grub does appear & offer OS choice + lubuntu/xubuntu reinstall (& install) on dual boot system, grub does appear & offer OS choice -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2060624 Title: lubuntu/xubuntu reinstall (& install) on dual boot system, grub does appear & offer OS choice To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/2060624/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs