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replace mid 2010 mac mini hard drive(s) and thermal sensor(s)

TL;DR: How do I swap SSd for HDD in Mid 2010 Mac Mini without Fan problems.


I'd like to replace both my Mac Mini HDD's with SSD's, but removing/repositioning* the factory thermal sensors will default the fan to full throttle! (I've had this happen on my other mid 2010 test machine). Has anyone successfully swapped out their drives and not had to deal with a system fan on Afterburner mode?


Note: on my test mac mini, I tried SMC fan control as well as SSD Fan Control apps and neither is able to change the fan RPM.


SMC Fan control (this is what I use on my macbook)

https://www.macupdate.com/app/mac/23049/smcfancontrol


SSD Fan Control: (suggested by others with similar thermal sensor/fan problems)

http://exirion.net/ssdfanctrl




* the position of the thermal sensors on the factory hitachi's is apparently important. In a test, I moved one a few millimeters and the fans defaulted to full speed.


Cheers!


Ken

Mac mini, Mac OS X (10.6.8), Mid 2010 MAC MINI

Posted on Mar 17, 2014 5:32 PM

Reply
1 reply

Mar 18, 2014 3:04 AM in response to Ken.Dunning

I replace the HD on my 2009 Mini with no fan problems.
From your description I think yo have either a sensor or logic board problem. If the sensor was not attached to the HD and was "cold" then the fan speed would not increase if the HD got hot.

When you played around with sensor position what what the temperature of the sensor when you go the "right" fan speed and the runaway speed.

replace mid 2010 mac mini hard drive(s) and thermal sensor(s)

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