MacBook Air

Cpu Fan high speed and Cpu usage over 100%

Hello at all,

i've an A1369 MacBook Air which has worked excellently until last week.

Suddenly Cpu fan has begun to spin at very high speed and simultaneously Cpu usage has gone beyond 100%. As result my Mac is dramatically slow! Almost unusable.

I've already tried to reset Smc and Nvram/Pram, but the problem is still there!

Cpu fan fast rotation begins just 5 seconds after pressing power button, even when the Mac is cold.

How can i solve this problem?

I can't believe my Mac is dead so suddenly …

Thank you in advance.

Daniel

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