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chilledanagram

 
Member Since: Jan 28, 2011
Posts: 1
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After a year and a half of my laptop delivering stellar performance, I have suddenly started to experience heavy lag on games (Minecraft, Half-Life 2, Portal, Amnesia). I have always been able to play them on the highest graphics settings with no problems, and now there's lots of lag and sometimes the sound cuts out for a while.

I sometimes play graphics-intensive games on the Windows Boot Camp partition, and there I experience no lag. So it looks like the GPU itself is fine.

Any idea of what I can do?

Some images of the Activity Monitor:
Activity Monitor - Imgur

MacBook Pro (2009)
OS X 10.6.6
3.06 GHz Intel Core 2 Duo
4 GB RAM
NVIDIA GeForce 9600M GT (512 MB)
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