A couple of days ago my Ubuntu installation began to have boot problems with a "Low resolution Graphics" boot error. I used a live CD and copied my /home dir to an external Hdd. Now all of a sudden I got an MBR error and I couldn't even boot in to windows (dual Boot machine). I'm not sure just what is happening so I'm seeking some answers her. I'm attaching to screenshots from a Knoppix live session. It looks like to me(?) that the wrong partition is active? I did use fdisk/mbr and got rid of the mbr error now all I have is the Grub error 17. Sure need some help on htis one. Thanks in advance for everyones help

Attached Images

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This is your grub error 17:
If I were in your situation, I'd boot the liveCD and run fsck on /dev/sdb5 which is your Linux partition.

Then try to mount the partition while booted into the liveCD: mount /dev/sdb5 /mnt. If it mounts without errors try rebooting without the liveCD. If mount fails, take note of any errors you get so that you can report those errors here.

As an alternative, since you have pulled your /home off the drive, you can re-install Linux without loosing anything.

Thanks for the replya, I appreciate it, I ran fsck with no errors but unable to mount the partition.. The problem was in the bios settings for the HDD's after studying the output from fdisk -l I determined that the drive boot order in the bios was wrong. Changed that and problem solved. I might suggest to other newbie's that when your system is running great to print a screenshot of fdisk -l for future reference....just a thought. Thanks again. Kubuntu still doesn't boot but going to do new install