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

battery temp

  1. Flyview

    MacBook Pro: CPU throttling when battery reaches 39c

    Hey everyone, I discovered something on this hot July day! My late 2013 15" MacBook Pro throttles the CPU and makes the computer extremely slow (taking seconds just to register a mouse click) when the battery temperature reaches 39c. It does this by ramping up CPU usage of kernel_task, taking...