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Mid 2010 Model A1278 / 2.4 or 2.66 GHz Core 2 Duo processor

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Kernel Task at 300%


My laptop is really slow - it has been like this for a month. I didn't turn it on for a week and when I did today, it was working fine - back at the apple speed that I used to have; I restarted my laptop and it started to become slow again :/

Macbook Pro 9_2.plist is missing from my Resources file. Any solution? Thanks!!

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1 Answer

Chosen Solution

Backup your data and try a restore. If it is not this, it will be a hardware issue.

A bad battery or trackpad can cause the fans to spin full speed. It can also be caused by a sensor issue on the board. Running ASD should show the sensor at fault.

It might be best to take it to someone who has testing parts they can test and diagnose it further, since you may waste money on parts otherwise (battery costs £40, trackpad £20).

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