Mac OS X Lion, Apple's new operating system released a few weeks ago, seems to give some owners of MacBook Pros from the year 2010 a lot of trouble. Specifically, owners of MacBook Pros that have i5/i7 processors and two graphics cards say that they encounter system crashes when they restart the Mac from sleep mode and not only that. Apparently the problem it would be due the system of changing the graphics card implemented by Apple and the result is either a black screen with a total block or a kernel panic. Macs that have 2 graphics cards (one powerful and one weak) have the ability to use the weaker graphics card when the computer is not required by software and the ability to use the more powerful graphics card when there is software that requires processing power bigger.
The problem is also encountered by some iMac owners, but in their case we are talking about a small number of people who report crashes. We have talked about this problem in the past weeks, but it seems that more and more users are reporting more and more diverse problems with the new Mac OS X Lion, and Apple has not yet released an update to solve the problem. If you encounter such problems on your Mac, then you have 2 options: either select only one graphics card, which will be used constantly, or close the system every time you finish the job.
