On Mon, Mar 2, 2015 at 5:16 AM, Fred Smith <fredex at fcshome.stoneham.ma.us> wrote: >> Short solution: >> Does /etc/default/grub contain 'GRUB_DISABLE_OS_PROBER="true" ? If so, >> comment that out and rerun the grub2-mkconfig command. > > No, it doesn't contain that line. Weird. So that means os-prober isn't finding Windows. What do you get for the following commands: # parted /dev/sdX u s p ##X= drive with windows on it # os-prober -- Chris Murphy