System running hotter on 10.10.3

Has anyone else noticed their systems running hotter than usual after updating to 10.10.3? I noticed it immediately after the update about a week or so ago, and there has been no change since. I've also installed the supplemental update, BTW.
I'm on a 2014 Retina MacBook Pro. I've noticed that Heatsink B and the memory are reporting about 5-10ºC warmer than usual, and the CPU is about 5-7ºC warmer. The fans are regularly audible. I haven't changed how I use the computer. I've also checked Activity Monitor and nothing looks out of the ordinary.

Try a SMC reset:
https://support.apple.com/en-us/HT201295
Open Activity Monitor to ALL PROCESSES. Spotlight may be reindexing the Mac.
Ciao.

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Hmmmm... this sucks.
Well, its the poor drivers for the modem i blame, as everything else worked with HT enabled and ovbiously it would be enabled if the drivers worked properly.
I'll only have to put up with it for a couple more months as i'll be getting dsl here and so a new modem will be going in.
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AHHHHH !!!

jariko wrote:
...I bought all hynix brand (2gb x8=16gb) as the apple site says to keep them all the same brand.
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1.) When you upgrade RAM, is the system supposed to run hotter? I've read the answer is yes...but is this safe for my computer?? I can only imagine what would happen if I had bought the 32GB 800mhz. I dont want to burn up my system. what is the average temperature that my computer should be running?
2.) Why is my system only recognizing 14gb when I installed 16gb? It is reading the RiserB's DIMM1 and DIMM2 as only 1GB. Does this have to do with the CPU overheating/overworking?
AHHHHH !!!
Who did you buy the DIMM's from and did they certify them as meeting Apple's thermal specifications? Does the vendor offer a lifetime warranty?
Apple has much stiffer thermal requirements than the typical PC maker does, and that includes the proper heat sinks to draw heat away from the DIMM. If those heat sinks are skimpy or not present at all, the DIMM's will run hot. For example take a close look at these DIMM's and you can see heat sinks clamped to the surfaces of the DIMM's that draw heat away from the chips and into the air flow from the Mac Pro's fans. I can't say what substituting the slower DIMM's for the correct RAM does regarding heat but it's good practice to install what the manufacturer specified.
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Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact [email protected]

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MBP 4,1 running 10.6.8 snowleopard and it runs great but i was wondering if upgrading to moutain lion will make run slower?

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The processes named "Safari Web Content" render web pages for Safari. They use a lot of memory and may leak if certain Safari extensions or third-party web plugins are installed. Consider them prime suspects.
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The next suggestion is only for users familiar with the shell. For a more precise, but potentially misleading, test, run the following command:
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System running hotter on 10.10.3

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