MacbookPro 17" runs hot after 10.10.3

This laptop now runs hot and makes fan noise since upgrading to 10.10.3.  This only happens when I have an Apple Cinema Display connected and the laptop is closed.  When the monitor is connected and the laptop is open - everything is normal.  This only started when I went to 10.10.3
Thanks

How hot is hot.  Actual numbers help.
Open Activity Monitor to ALL PROCESSES and see what applications are taking a lot of the CPU/GPU resources.
Since you have installed a new OSX, Spotlight may be reindexing the HDD.  When that finishes, the problem may go away.
Ciao.

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    According to the man page for ptmd, the ptmd daemon "relays to hardware any OS notifications effecting thermal conditions." IOW, it is just the messenger sending messages from the OS to the hardware. If it is using a lot of CPU time, the OS apparently very frequently thinks thermal conditions are changing & that the hardware should know about it. Thus, high ptmd activity would seem more a symptom than a cause.
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    I upgraded to 10.10.3 and my macbook pro is now running ver hot.
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    I'm having the same problem as well. The SMC Reset did not fix my problem. I've pasted the post that I put on macrumors below. ( http://forums.macrumors.com/showthread.php?t=1870709 )
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  • MBP 13" runs hot after I installed Lion

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    I'm having the same problem. Hopefully someone has some answers...

  • Mac MIni running hot after memory update

    I have a late 2010 Mac Mini. Using Temperature Monitor, it always showed CPU temperatures at anyhting between 45 and 65.
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    please explain this 105 temperate limit. where is this mentioned?
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    just turning a computer on can cause it to go to 105 degrees farenheit
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    update
    my studio xps core 2 duo laptop that i am typing on for which i am not really doing a whole lot on it  except like
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  • PowerBook Running HOT After Leopard Install

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