Ubuntu: 12.04 'Precise Pangolin' disfunctional after upgrade from 10.04 'Lucid Lynx' [closed]



Question:

Hello all and thank you for your time reviewing my problem.

I have used 10.04 (Which I believe to be a LTS?) Lucid Lynx with the unity desktop on my Lenovo S10-3 netbook for a couple of years now and was quite happy with it. Since upgrading it to 12.04 the Unity desktop became completely unusable. Everything became laggy, extremely slow and applications don't even show up in the heads up display.

Trying to shut down Ubuntu only freezes in the logout screen and I have to kill it with the power button ( terminal sudo halt does not shut it down either) The funny thing is that in the Guest account everything works quite nicely.

Tried a recommendation read here in a question to unity --reset which did not solve anything.

I hate the idea of wiping everything and fresh install since I'm already close to my download quota with my ISP. So what the best way to start of tackling the problem? Where do I get error logs from my netbook that would assist troubleshooting? How do you do that in terminal mode if one has to? Thanks for your time.


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