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I just bought the new MacBook Pro, 2.3GHz quad-core i7, 8GB DDR3 1333MHz RAM, 512Gb Solid State Drive. It runs freaking awesome...for a while. Then it seems to get very, very sluggish. Scrolling in a finder window for example becomes jaggy, expose takes a minute to show windows, new windows take forever to appear, just acts like a very old computer. Also I installed smcFanControl to check the temp and I am not sure what is "hot" for this, but sticking around and above 150 degrees Fahrenheit.. is that normal?

When things get sluggish, a restart fixes it right away, and is is zippy as hell for a while again. Ran the hardware diagnostic, it found nothing. Any thoughts? Thank you!

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Have you tried to run Activity Monitor when it becomes sluggish to observe if any applications are at 100% cpu usage? Activity Monitor can be found in the Utilities folder in the Applications folder. –  Vahe Mar 15 '11 at 7:52
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closed as too localized by Nifle, 8088, Indrek, Diogo, KronoS Aug 30 '12 at 20:52

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There was a reported problem with ATI graphics cards, I think it was something to do with the switch over from dedicated to on board graphics depending on load. Apple have since released a fix for this problem. It sounds like it's exactly the trouble you're having. Run a system update to see if there are any available updates. Hope this helps!

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