how hot?

Discussion in 'iMac' started by appleman108, Sep 18, 2010.

  1. appleman108 macrumors member

    Jul 26, 2010
    how hot should the back of a 27 imac be? mine gets almost too hot to touch
    i noticed the fan came on today which i hadn't noticed before.
    it's quite audible actually

    just wondering
  2. Jakelshark macrumors member


    Aug 4, 2010
    Memphis, TN
    it would be helpful if you had a temperature monitoring program and told us the various values

    but the back of the iMac does indeed get hot to the touch under normal use
  3. spinnerlys Guest


    Sep 7, 2008
    forlod bygningen
    Use iStat Pro to monitor the temperatures and fan speeds your iMac is producing. If you want more feedback, report the values here and don't forget to add the temperature scale (Celsius, Kelvin and that other one without the 451 following it).
  4. Spike88 macrumors 6502a

    Jan 25, 2010
    Suggest downloading / installing iStat Nano (widget) and tell us its many different temp readings. re:

    IMO.... Temps within 60C range is hot. 70C is "super hot" and 80C is way "too hot". Fans run full RPM at 83+ temps. If wondering, my iMac 21.5" comfortable runs within 25 - 50 C range. Mostly within 35 - 48 C range - for my general home user tasks.

  5. appleman108 thread starter macrumors member

    Jul 26, 2010
    thanks, i'll download the widget

    by chance, does ram have anything to do with heat generation?
    i just installed 4 gigs of ram today bringing my imac up to 8

    i mention this because i've never noticed the fan noise before
    until today, which is what prompted me to touch the back
  6. appleman108 thread starter macrumors member

    Jul 26, 2010
    my iStat temperature readings seem to be around 60-ish

    Attached Files:

  7. appleman108 thread starter macrumors member

    Jul 26, 2010
    these temps are Celsius
    in Fahrenheit i'm about 135-ish
  8. Hellhammer Moderator


    Staff Member

    Dec 10, 2008
    Those are normal with default cooling settings

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