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I'm using Ubuntu 12.10 Quantal, on my dodgy Vostro 1400 with Nvidia GeForce 8400 GS.

Since installation, I switch to Nvidia driver and it works alright, but the windows performance is choppy, especially windows animation effects. Disabling Sync to VBlank and compression make it works a bit smoother, but still unacceptable. At least there are no screen tearing and stuff.

I decide to give Nouveau driver, holy god the windows compiz effects are smooth butter. I was happy til I open the Dash, when I realised the screen tearing all over, unless I close Dash. The libgl1-mesa-dri-experimental package does not help.

Anyway to fix the screen tearing?

http://i.stack.imgur.com/m8Y5H.jpg

http://i.stack.imgur.com/aJ8B0.png

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closed as off topic by Jorge Castro, RolandiXor, Takkat, Ringtail, Javier Rivera Nov 6 '12 at 9:33

Questions on Ask Ubuntu are expected to relate to Ubuntu within the scope defined by the community. Consider editing the question or leaving comments for improvement if you believe the question can be reworded to fit within the scope. Read more about reopening questions here.If this question can be reworded to fit the rules in the help center, please edit the question.

    
This question should instead be filed as a bug report, and as such is off-topic, thanks! Instructions on filing a bug report are here. –  Jorge Castro Nov 5 '12 at 19:36