CPU 3720QM Overheating/unstable clocks?

Discussion in 'Alienware 18 and M18x' started by Throbin, Sep 3, 2013.

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  1. Throbin

    Throbin Notebook Consultant

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    Hey guys so i have been having some issues with my CPU either its overheating or just not staying at a stable clock.

    1266355_10152002846673296_621727823_o.jpg

    During 3D Mark's Firestrike CPU tests it will fluctuate from 30-40FPS then drop for a couple of seconds to 10-15FPS (low fps stutter) then go back up to 30-40 again.


    Is the CPU overheating or is that a normal temp? i used to have it constantly running at around 3.7ghz but cant remember what i did to get that to happen.


    Any help appreciated!
     
  2. p4izanagi

    p4izanagi Notebook Geek

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    the maximum temp is 105C? is that normal? i thinks its overheating.
     
  3. TBoneSan

    TBoneSan Laptop Fiend

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    Is firestrike CPU test the only thing giving you these sorts of temps ? Is it higher than its previously been during the CPU part of this bench? Ambient temps..? More details would really help

    I've only used Firestrike a few times but I did notice the CPU bench is extremely demanding and I saw a low FPS.

    I'm going to go out on a hunch and assume this is the only time you are seeing these kinds of temps...
    If that's the case, I wouldn't worry too much.
    Its perhaps time to take some of the measures the tweakers around here do. Easiest and most painless ones -properly clean your fans and HS. You can also raise the back of your machine with a couple of coke lids for better heat dissipation.
     
  4. J.Dre

    J.Dre Notebook Nobel Laureate

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    Time for a repaste and cleaning.
     
  5. Mr. Fox

    Mr. Fox BGA Filth-Hating Elitist

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    A 3720QM running 3.8GHz should not be getting that hot. If Throbin is in a really hot work environment, it may. But, most likely it just needs a thorough fan/heat sink cleaning. If that does not do the trick, then a repaste. That would be the perfect time to install a 3-pipe Extreme CPU heat sink if it still has the 1-pipe stock heat sink.
     
  6. Meaker@Sager

    Meaker@Sager Company Representative

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    Yes such a short term CPU test should not be maxing it out.
     
  7. Throbin

    Throbin Notebook Consultant

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    ill take the plunge and do a full repaste and clean the fans and heat sinks.

    What Thermal Paste & Paste cleaner to remove the old would you guys recommend?
     
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  8. littleone562

    littleone562 Notebook Deity

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    Check to make sure your cpu heatsink is straight as well due to the 20+C temp variance.
     
  9. Mr. Fox

    Mr. Fox BGA Filth-Hating Elitist

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    Unless I have some electronics cleaning wipes handy, I use alcohol and cotton swabs to remove the old stuff. A plastic pick tool works fine to knock off any large clumps of dried out old paste or TIM first.

    When I do.JPG
     
  10. ultimablade

    ultimablade Notebook Consultant

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    Originally coming from 3610QM, you can always upgrade your CPU to something like a 2960XM/3920XM/3940XM along with a Triple-Pipe Cooler, that will give you much more headroom for overclocking and bring with it tremendous CPU performance. For the CPU + Heat Sink, you're looking at between $300 - $600, depending whether you opt for the 2960XM or newer 39XXXM processors. There is also tons of help on this forum on getting the most out of your beast. Good luck.
     
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