Sadly, each time installing packages that make grub menu rebuilt, the previous good grub menu is lost if all the OS partitions are not mounted. What is expected: os-prober might be able to scan and find all the OS installed on all devices, mounted or not.
Sadly, each time installing packages that make grub menu rebuilt, the previous good grub menu is lost if all the OS partitions are not mounted. What is expected: os-prober might be able to scan and find all the OS installed on all devices, mounted or not.