OS X Version 10.8.2 brought a few unwanted features to Macbook Pro Retina display owners. The main issue seems to be serious lag in many games, most notably Diablo III. Another issue users were reporting seems to be the fan not running correctly, and that’s never good.
There’s Good News
Apple has released an update along side OS X 10.8.3 that corrects these issues. You can get more information on that update here. If your not interested in that update for some reason or are unable to update, you can follow the instructions below for a temporary fix, otherwise this issue should be resolved.
There’s a quick fix for this issue that will get your Macbook Pro Retina (MBPr) back to it’s peak performance in no time. All you should need to do is reset the System Management Controller (SMC). For the best instructions on how to do this I recommend just going straight to Apple’s documentation which you can find here.
*This should speed up everything, from Desktop UI to gaming!
*Be sure to follow the instructions specifically for your type of computer. In this case it seems that only the MBPr is having issues.