Boot up into a Live Linux Image. Mount your old Linux Install, and use chroot to take control of it. mount /dev/sdc1 /mnt chroot /mnt You will get grub-probe: error: cannot find a device for / (is /dev mounted?). if you don’t mount you devices, before attempting to install GRUB. So mount all devices. mount [...]

Some tips when GRUB gets angry and goes wrong, after/during an install. Use this command to locate grub stage 1: find /boot/grub/stage1 Set the GRUB root to the location of stage 1: root (hd0,0) Now that we have found the GRUB on the hard drive, load the config file and your away. configfile /boot/grub/grub.conf This [...]