Lion kernel_task taking 300+ % CPU

Discussion in 'Mac OS X Lion (10.7)' started by dumb, Dec 11, 2011.

  1. dumb macrumors member

    Nov 1, 2009
    I had upgraded to a corsair 8 GB memory (newegg) last week and since yesterday my kernel_task is using more than 300% CPU. My MBP is unusable, however, when I log into safe mode the CPU is again back to 2-3%.

    I reset PRAM, seemed to be back down normal but after i put the laptop to sleep and woke up this morning, its again back to over 300% of CPU usage.

    The only thing I can think of is the new Ram but it does work in safe mode so any idea ?

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