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Nedturskakao

macrumors member
Original poster
Jul 15, 2008
42
0
Sometimes when i watch movies in iTunes (avi mp4 and so on) it laggs with my new UMBP! But why? When i search for the file in finder and open it with quicktime player it plays well! And it's only standard definiton! I have watched HD movies on it too, and there weren't any problems with that!

Are there a reason for it?
 
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