Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.

upgrade. sierra.

  1. M

    Mac Book Air So Slow After Everything

    Last weekend I noticed my Mac was running slow. I did everything suggested. I upgraded to the latest version of Sierra, bought and ran (multiple times) Clean My Mac. Now it's so slow that I cannot do anything. Before the upgrade I was able to look at Memory and quit processes. Now I can't...