Macbook Pro suddenly lagging video playback + Flash sites

Posted by Mathias on Super User See other posts from Super User or by Mathias
Published on 2011-08-01T18:17:57Z Indexed on 2012/10/18 5:09 UTC
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mac

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video

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vlc

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flash-player

I have a Macbook Pro, OSx Lion, Intel Core2 Duo, 4GB Ram, NVidia Geforce 8600M GT 128 MB Ram, Intel x25m SSD. Approximately 4 years old.

I've been running Flash sites and playing videos without any problems for years. Then suddenly 3 months ago, a flash site like http://thefwa.com is lagging in all browsers. Even mouseover animations - anything.

Also video playback in e.g VLC and Quicktime is now lagging. Same videos I used before, I tried installing an older version of VLC without any luck.

Playing back video in VLC utilizes the CPU almost 100%, and Flash sites like thefwa.com easily takes up 50-60%.

It's as if the hardware acceleration stopped working, or the GPU lost its magic.

UPDATE: Same issues also occurred on Snow Leopard

Has anyone experienced something similar, or do you know what might be wrong?

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