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"Since early this month owners of the new 2011 15\u201D and 17\u201D MacBook Pro\u2019s have been claiming they\u2019ve been experiencing freezing while processing heavy loads.\r\n\r\nBased on comment threads at various Apple-fan sites, the issue is occurring when users run extensive applications, intensive games or multiple applications simultaneously. The freezing varies and the complaints range from trying to import files to iMovie and playing desktop games.\r\n\r\nAfter one user contacted the company regarding the issue, the user reported on MacRumours that the Apple representative said to wait for a further update and mentioned he\u2019d saw the problem in an internal employee article. The user also says that the employee assured him that it\u2019s a priority issue and that \u201Clots of machines\u201D are affected.\r\n\r\nSeveral comments in the thread speculate that it\u2019s not a hardware issue and more likely something Apple can fix with a firmware or driver update. The user who said he spoke with Apple also wrote that the company was sure it was firmware causing the problem \u201Cthis IS a firmware/driver related problem, not a hardware one\u201D.\r\n\r\nUsers having the issue have tried fixes such as disabling card switching and reinstalling the OS but to no avail, the freezing persists.\r\nMacbook Pro 15&amp;quot; Core i7 2.3 Ghz. I've had 4 Kernel Panics in the last two days, and two freezes under load. Rendering video, or running VMware seem to exacerbate the problem. Fans ramp up, and then Voila! Kernel Panic. This is ridiculous... I'm calling Apple for a replacement."^^<http://www.w3.org/2001/XMLSchema#string>
<http://thenextweb.com/apple/2011/03/21/users-report-freezing-issues-with-apples-new-macbook-pro/>