A Mac just works as soon as you flick the power switch right? Apparently, this does not apply if you happen to be a user of a 2010-model Macbook Pro which features an NVIDIA graphics card and have recently made the switch to OS X Lion on such a machine. This is because we have gotten word that users are reporting issues with blank screens and kernel panics on their new OS shortly after making the upgrade, with broken graphics drivers being said to be the main cause of such problems.

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OS X Lion upgrade breaks graphics drivers for 2010 Macbook Pros