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I installed Steam a few weeks ago, and it kept bothering me to add the ppa ubuntu-x-swat/x-updates,so I did it yesterday. After I installed it, my computer was fine until I rebooted. The computer wouldn't boot, it just froze on the splash screen of Elementary OS.

In the recovery mode, I did 'ppa-purge ubuntu-x-swat/x-updates', and then booted from the recovery mode, and it went fine.

But now I can only boot from recovery mode, else it will just freeze on the splash screen, the problem is that after I boot, my cursor disappears when not moving, and flickers while moving.

How can I fix that? Do I have to reinstall the system?
Edit:
I just noticed that Gala(elementary OS's window manager) is constantly at 200%+ CPU usage, and there are other instances of it with 20~40% of usage.Not shure if it is related.

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What worked for me was removing AMD graphic drivers, whch were probably installed by that ppa(I also purged that ppa).

  • It was working for a few days, when I reply talking about it it stops working, my mouse is flickering again (lol). – Lucas T. Nov 3 '14 at 22:42

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