New answers tagged boot-repair
Boot from a liveCD/USB and then try to mount your data partition (any distribution will do, but a rescue system is preferable because of the extra recovery tools you'll get pre-installed). If you are successful mounting your disk make a back-up of your important files IMMEDIATELY to some external drive. If you have more than one partition, don't waste time ...
Try checking out this partition after launching Ubuntu from Live-DVD or Live-USB. If You can mount and open it in Nautilus You can do backup then. Déjà Dup is a default application for that and You can use it in Live session as I know. Or just copy files which are important for You. After that I would recommend to once again try Boot Repair, but using ...
Not 100% sure, but it looks like you have a bad partition table or file system. You will never be able to boot if you can't even mount the root partition. If there's no data on the drive of importance then I suggest re-partitions and formatting. If there is important data then restore from backups, if you don't have backups, then shame on you!!! That said, ...
Boot repair won't delete anything on your hard drive. It will just repair boot issues by making GRUB the default bootloader in the Master Boot Record
You have two 500 GB hard drives. It seems like there are multiple windows systems installed on the first drive (sda1, sda2, sda3), and a Ubuntu system on the second drive (sdb6). To reach the GRUB menu, you simply need to set your BIOS to boot from the second HDD, as boot-repair told you, because GRUB is installed in the MBR of sdb.
Disconnect your Windows discs (1TB and 96GB), then format your SSD and reinstall Ubuntu on it. Reboot and check it works, then re-connect your Win discs.
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