With regard to earlier posting, this is the msg that I'm getting after attempting upgrade for the 3rd time:
"One or more of the filesystems for your Linux system was not unmounted cleanly. Please boot your Linux installation, let the filesystems be checked, and shut down cleanly to upgrade."
If I click "OK" for this, system will reboot, but then I'm stuck again with the LI and a flashing cursor!!!
Boy, am I frustrated! Can anyone help? Many thanks, if so.