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<blockquote data-quote="d_rock" data-source="post: 390793" data-attributes="member: 23511">Thanks for the reply cwa.So...although I am still not pleased with the intermittence of the heat problem...I got rid of Fan Control and have been monitoring the CPU heat and fan speed with the Apple defaults.First I shut down the notebook and let it cool to room temperature, even put it in front of a fan for a few minutes.&nbsp; When I booted into Mac I checked the stats with the iStat Pro widget.CPU temp was 45 degrees C with fans at 2000rpmI let the notebook sit there doing nothing for about 5 minutes, during which the notebook CPU temp increased to 49 degrees C. (Note: the GPU and GPU heatsink were also slowly increasing in temperature as well)I opened up one browser window in Firefox, and the CPU temp has increased to between 51 and 53 degrees C with the fans still staying around 2000 rpm.Bottom of the notebook has gotten a bit warmer.&nbsp; Before I did the whole OS reinstall and was using Fan Control, my notebook was almost always suitable for lap use, even while playing World of Warcraft.&nbsp; Now, it seems, adding anything to the CPU workload will put it over the &quot;edge&quot; so to speak, the edge being between where the laptop is moderately warm and where it is uncomfortably warm.Would it be possible for anyone to post their MBP's typical temperature with or without fan apps?UPDATE: installing a game from CD increases temp to 79 degrees C.&nbsp; Not playing the game, just installing.&nbsp; The GPU and heatsinks have increased as well.</blockquote>

[QUOTE="d_rock, post: 390793, member: 23511"] Thanks for the reply cwa. So...although I am still not pleased with the intermittence of the heat problem...I got rid of Fan Control and have been monitoring the CPU heat and fan speed with the Apple defaults. First I shut down the notebook and let it cool to room temperature, even put it in front of a fan for a few minutes. When I booted into Mac I checked the stats with the iStat Pro widget. CPU temp was 45 degrees C with fans at 2000rpm I let the notebook sit there doing [I]nothing[/I] for about 5 minutes, during which the notebook CPU temp increased to 49 degrees C. (Note: the GPU and GPU heatsink were also slowly increasing in temperature as well) I opened up one browser window in Firefox, and the CPU temp has increased to between 51 and 53 degrees C with the fans still staying around 2000 rpm. Bottom of the notebook has gotten a bit warmer. Before I did the whole OS reinstall and was using Fan Control, my notebook was almost always suitable for lap use, even while playing World of Warcraft. Now, it seems, adding anything to the CPU workload will put it over the "edge" so to speak, the edge being between where the laptop is moderately warm and where it is uncomfortably warm. Would it be possible for anyone to post their MBP's typical temperature with or without fan apps? UPDATE: installing a game from CD increases temp to 79 degrees C. Not playing the game, just installing. The GPU and heatsinks have increased as well. [/QUOTE]

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