On 4/23/21 1:05 PM, Roger Heflin wrote:
But if the windows system is gone and you don't care about it, then I would set sda3 to be bootable.
The bootable flag is not relevant.
rescue it and then grub-install /dev/sda3 but make sure the newuuid is
grub needs to be installed to the raw hard drive (mbr), not a partition.