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Helpful answers
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Feb 17, 2016 3:54 PM in response to 45N0221by OGELTHORPE,Install a temperature/fan speed monitoring application.
Open Activity Monitor to ALL PROCESSES and set CPU to display values from high to low.
When the fan(s) run fast, post images of both for review.
Run an Apple Hardware Test or Apple diagnostics (which ever is applicable:
https://support.apple.com/en-us/HT201257
https://support.apple.com/en-us/HT202731
Ciao.
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Feb 18, 2016 8:26 AM in response to OGELTHORPEby 45N0221,Thanks for your reply!
I opened Activity Monitor and it showed that the usage of 'kernel_task' is 300%......
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Feb 18, 2016 10:55 AM in response to 45N0221by OGELTHORPE,Follow the steps in this article:
http://www.cnet.com/news/kerneltask-process-taking-up-an-inordinate-amount-of-cp u/
Ciao.
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Feb 19, 2016 5:18 AM in response to 45N0221by 45N0221,Thanks for your reply again. It didn't work and then I reinstall the OSX but still the same...