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Model A1311 / Mid 2011 / 2.5 & 2.7 GHz Core i5 or 2.8 GHz Core i7 Processor

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After opening an application the CPU and ODD Fan starts running

Hallo

My iMac fans starts running after i opened an application not immediately i bootet up the iMac.

Only the CPU Fan and the ODD fan.

When i run the ASD i get this ERROR several times:

ERROR--13009 SMC error TM_Temp_below_min, the temperature read from the sensor is too frequently below some minimum threshold.

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3 Comments:

Has the hard drive been changed?

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No I didn`t change the Hard Drive.

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What is the repair history on this machine?

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1 Answer

I would reset the SMC, unplug the iMac hold the power button for 10-20 seconds (unplugged) then Start the iMac as usual. https://support.apple.com/en-us/HT201295

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Thank you for your response,

i did the reset several times,

now i think the smc controller is broken .

Repair history: i wanted to install an additional ssd.

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Philipp will be eternally grateful.
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