2
votes
2answers
2k views

MacBookAir kernel_task at 300% and rising

I have a MacBookAir5,1 connected to a Thunderbolt Display. When it gets very hot, PID 0 "kernel_task" uses ever more CPU until reaching 340% and slowing the Mac down sufficiently to make me restart ...
0
votes
1answer
685 views

Is it possible to switch from Safe Mode to Normal and back without a reboot?

Since 10.6.3, Apple has decided change the AppleIntelCPUManagement kexts, which leave me stuck with a kernel_task that pegs out at 135-185%, generating a lot of heat. Anyway, since I doubt anyone has ...