I updated my system using the LMDE Update Program, locked the screen (as I had to walk away from the computer), when I returned the screen was all messed up (moved the mouse made it flicker on and off, typing liker wise). I switched into a terminal by using ctrl alt f1 and checked what was running with ps -e. I saw that the mint update program was "<defunct>" or something like that. I left it 10 minutes hoping it would finish updating then rebooted the PC with sudo reboot. The computer now refuses to boot, showing just a _ in the top left hand screen.
I booted into recovery mode and tried "aptitude update" but it has no internet connection and then "aptitude upgrade" and it told me to try something like "aptitude upgrade --a" (it's not on the screen now so not sure what it asked). Point is, it's still broken.
How can I recover my system. My home partition is encrypted and don't want to lose it.