Modell von 2011, A1278 / 2,3 GHz i5 oder 2,7 GHz i7 Prozessor

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started running at 210 degrees why

started getting very hot (210 degrees) while performing same task that would normally raise it to 170-180. what could cause the sudden increase?

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Most likely your HD SATA cable is breaking down so it's fighting though a CRC battle between the drive & CPU every time you open or save a file.

Here is the IFIXIT guide: MacBook Pro 13" Unibody Early 2011 Hard Drive Cable Replacement and you want to use the newer version of the cable: MacBook Pro 13" Unibody (Mid 2012) Hard Drive Cable - Apple P/N 923-0104. You'll want to put some tape down on the upper case where the cable rests as the ruff surface of the aluminum often wears the cable.

I would strongly recommend after you install the new cable to do a full backup and then wipe your drive and reinstall the OS and restore your backup to make sure you don't have any corrupted files.

MacBook Pro 13" Unibody (Mid 2012) Hard Drive Cable Bild

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MacBook Pro 13" Unibody (Mid 2012) Hard Drive Cable

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Robert, I would also follow the ifixit guide tear down to remove the black fans and use a can of air to make sure the vents are clear of dust.

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Yes! I did gloss over that.

Dusting out a system should also be done. Don't for get the heatsink fins.

Thanks! @avanteguarde

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robert owen wird auf ewig dankbar sein.
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