rMBP goes hot and crazy with Flash :(

Discussion in 'MacBook Pro' started by Freida, Jul 15, 2013.

  1. Freida macrumors 65816

    Oct 22, 2010
    Hello guys,

    is there a way to fix this? My rMBP gets crazy hot and the fans kick in and go around 5k when I just watch simple 10mins flash video. I understand that flash is not optimised that well on OS X but this is Apple's flagship computer. I mean, just a simple video gets it act crazy. IS that normal?
    I'm watching this video for example
    within 2 mins of watching fullscreen I get these stats (pic attachment).
    If I pause the video it goes back to normal (fans around 2k)

    Is there a way to tweak it? The fans are so loud that the watching is not enjoyable and the computer is very hot.

    Attached Files:

  2. nickandre21 macrumors 6502a

    Jun 21, 2012
    The only way to keep temps low is to ensure adequate ventilation and cool room temperatures. Ensure no other app is running. if you have two gpus try to use the intel gpu using a software gfxcardstatus. Your fans are going up cause the gpu is getting warm. left fan cools the gpu but both fans can help get temps down faster. CPu temp seems to be fine.
  3. bill-p macrumors 68000

    Jul 23, 2011
    Which OS are you on? Lion or Mountain Lion?

    And which browser?
  4. Freida thread starter macrumors 65816

    Oct 22, 2010
    I have the rMBP on a stand that is flat and only covers around 60% of the bottom so the heat on those uncovered sides can get out even better. I also have automatic GPU switching so I don't understand what benefit I would get from the intel gpu?

    Could you please try to run the video and let me know if you get similar stats? I mean my room is not hot at all and everything is normal :)
  5. jcpb macrumors 6502a

    Jun 5, 2012
    The MBPR draws air from the bottom left and right sides (near the palmrest) and exhausts air at the screen hinge. Don't block the air intakes, is all.
  6. Freida thread starter macrumors 65816

    Oct 22, 2010

    I'm not blocking anything at all. I know where those are and have those basically in the air for the best circulation.
    I'm on the latest 10.8.4 and it makes no difference if I use Safari or Chrome :(
  7. GermanyChris macrumors 601


    Jul 3, 2011
  8. Freida thread starter macrumors 65816

    Oct 22, 2010

    hahhahahahaha, that made me laugh :)))
    Anyway, my flash is up to date and if others are not having the same issue then I don't know what else to do. I checked my permission and cleaned stuff with OnyX and Clean my Mac but it still doing it. I also reseted PRAM etc but no success.
    Ever since that stupid patch its a bit hot :( (the one that was meant to address the heat)
  9. nickandre21 macrumors 6502a

    Jun 21, 2012
    well i have just watched the video on both the intel and Nvidia graphics card shows that the nvidia taxes my cpu a bit more and generates more heat. I played the video 2-3 times on each gpu continuously here's pics of my temps. My room temperature is 26c
    The intel Gpu
    Screen Shot 2013-07-16 at 2.35.06 AM.png

    The nvidia gpu
    Screen Shot 2013-07-16 at 2.37.51 AM.png

    I must say though my fans shoot up while rendering, i find it much less noisier then the cMbps i had before the fans would be make that silent noise like a jet which was annoying, this one just has a whoosh. I feel apple did a good job with the cooling system but i find the air is pulled in from the ports, you can feel it when the fans are on full blast.
  10. angelus01 macrumors newbie

    Feb 25, 2013
  11. dastinger macrumors 6502a


    Mar 18, 2012
    Which video is it exactly? Because the one you posted is only 30 seconds long.. how can you watch it for 2 minutes straight? Are you looping it? I wouldn't mind trying.

    I recently opened up my 1 year old rMBP and cleaned the dust out and swapped the thermal paste. Getting somewhat cooler temperatures but not as much of a difference as I was expecting. My room temps are almost the same as yours (27ºC right now) so I'd like to test it and let you know the results.
  12. angelus01 macrumors newbie

    Feb 25, 2013
    Video - FiberMesh Basics lol
  13. IC3D macrumors regular


    Feb 15, 2008
    Fairfield County, CT
    I normally run around anywhere from 153 degrees to 160 degrees fahrenheit. Much cooler than my previous MBP 17", which would run close to 190 degrees. :eek:
  14. dastinger macrumors 6502a


    Mar 18, 2012
    Lol, any video would do obviously (facepalm me).

    Anyway, watched 2 minutes of that one using Chrome under 10.8.4 and the rMBP got to 80ºC (measured with Ultrafan).
  15. Unhyper macrumors regular


    Apr 7, 2010
    I wonder if the Retina resolution contributes to this (does it treat Flash like it does images?), because I am just not seeing this with my rMBP hooked up to an external 23". I don't hear the fans at all. Flash 11.8.800.94, Safari 7.0, 10.9 DP3, rMBP 15" e2013.

    Attached Files:

  16. nickandre21 macrumors 6502a

    Jun 21, 2012
    actually my retina stays cool i dont even hear the fans spin unless i switch to nvidia graphics. But still the heat can not be compared to my cMBP. I just got my replacement mid2012 13" and ran that video. cpu was showing temps at 98c:eek:
  17. Freida thread starter macrumors 65816

    Oct 22, 2010
    ok, thank you guys.
    I've actually done some elimination process and found few interesting things + the root of the problem.
    1) when i watch it in a window it works fine. Minor temp increase and fan increase but still way below 3k
    2) when i watch it in full screen, temp and fan go crazy as on the picture i posted in the first post
    3) when I go to my display setting and change the resolution back to "best for retina" then it all works fine. Full screen or window, things are absolutely ok.

    So my question is, is there a way to have the resolution 1650x1080 without having this issue or is that scaling something that will always cause trouble?
    Thank you guys for the help so far
  18. nickandre21 macrumors 6502a

    Jun 21, 2012
    i use the 1680x1050 scaled resolution the best for retina doesn't seem to gel much with me. However flash does make macs warm up alot.
    On a lighter note we can play flash vids in winter and be warmed up:D
  19. lagisibuk macrumors 6502

    Jun 25, 2013
    Always Somewhere
    today i'm using thunderbolt -> ethernet
    because retina doesn't have port LAN.

    when i'm using wifi connection, CPU is 42" (celcius) and GPU (38").
    buuuuut, when i'm switching to thunderbolt, heat is increase to 62(cpu) and 65 (gpu).

    something wrong with my macbook? or it's a normal?
    FYI : retina 15 mid 2012 with 8GB and 256GB SSD.
  20. dastinger macrumors 6502a


    Mar 18, 2012
    I forgot to mention bit I'm on the 1680x1050 scaled resolution. Maybe it helps with the hot temperatures.
  21. Freida thread starter macrumors 65816

    Oct 22, 2010
    Yep, I actually found out that that is the real problem. I find it insane that such a simple change in resolution causes the computer to go crazy. What can one do to fix this?
  22. JWorld127 macrumors 6502


    Jan 12, 2013
    Honestly its a swap out....the rmbp heats up alot more than other computers playing videos because of the retina and the power it takes to upscale stuff...i have no idea if i worded that right but my rmbp 15'' heats up like crazy when playing youtube or any videos on any web site. Even if i am playing videos in quick time that are saved on my hd it heats up like crazy.

    At the end its what it is when you decide to go retina. in fact i cant even keep the computer on my lap when viewing any kind of video it gets wayyyyy to hot.
  23. dastinger macrumors 6502a


    Mar 18, 2012
    I don't know but I'm not going back to the Best for Retina resolution. I used it for almost a year but I decided to give this one a real try and now I'm pretty positive that I can't go back. On the other hand, since I cleaned up the MBP and swapped the thermal paste, the temps haven't gone that hot (other than the 80ºC mark I told you about in the earlier reply).

    I used Arctic MX-2 btw.
  24. Doward macrumors 6502a

    Feb 21, 2013
    DO you have any before and after data you'd be willing to share?
  25. dastinger macrumors 6502a


    Mar 18, 2012
    On Idle I get temperatures around 45ºC (no apps open) when, before, it would usually stay at 55ºC.

    Then it varies from what I'm doing of corse but, watching a 1080p YT video does not make the temps go crazy like before. It usually goes up to 80ºC tops, most of the times it stays at 75-77ºC where before it'd go up to 90ºC in a flash (no pun).

    Right now, it's like 27ºC in my room, I have 13 open tabs (4 w/ HTML5 YouTube) and 1 with flash and the temps are oscillating between 62-65ºC. Before, I'd need Ultrafan set to a 65ºC target to keep the temps below it.

    Other thing I noticed, and I don't understand how this could have happened due to cleaning the MBP and swapping the paste, is that the integrated GPU is used way more often. I'm actually able to be watching HD movies in YouTube and I get the gfxCardStatus notification saying that the integrated GPU is now being used which never happened before. Again, I don't know how this can be related to the changes I've made.

    Anyway, that's all I can point out. Great improvements imo. I'm not a pro but I'm tech-savvy, and following the ifixit guide and a YouTube disassembly video, it was really an easy thing to do.

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