7970m becomes very hot after repaste

Discussion in 'Sager and Clevo' started by littlecx, Apr 10, 2014.

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  1. kothletino

    kothletino Notebook Consultant

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    Gelid is okay, but often running of benchmark make temperatures go up with time(often re-applying).
    MX-2 is a little bit worst with level of temps comparing to gelid.
    IC Diamond makes scratches on core.
    Coollaboratory by often warm-up/heating is just eating the copper part of heatsink especially at high temperatures(small dots).

    I use gelid and also mx-2, at least once a month I m changing thermal conductive paste. If it is about the "way of applying" for me mx-2 was much easier than gelid.
    And of course even the best paste will not help if you apply it wrong way.(the entire core must be covered)
     
  2. n=1

    n=1 YEAH SCIENCE!

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    Liquid Ultra bonds to the copper heatsink yes, but it doesn't eat it. It will eat aluminum though.
     
  3. kothletino

    kothletino Notebook Consultant

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    Yes aluminum not copper, sorry mess in my head.
     
  4. sigbin

    sigbin Notebook Geek

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    I've repasted my 7970m after I got my unit from Xotic pc.

    Repasted again yesterday after more than a year of hard gaming and it ran hotter. Got to about 78c running GW2 and BF3. Repasted again today and ran the same programs. Highest was 66c on GW2 and 63c on BF3.

    I've use Prolimatech Pk1 for all pasting jobs. Maybe just need a repaste and re-seat on your end.
     
  5. teuing

    teuing Notebook Enthusiast

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    wow that's very low temp on your 7970M.
    What's your room/ambient temp?
     
  6. kothletino

    kothletino Notebook Consultant

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    A lot depends also from graphic settings. BF4 on 7970m make also about 66 degrees when running on mid settings.
     
  7. wingman4ever

    wingman4ever Notebook Consultant

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    I tried repasting my 7970m but got around 85c with bf4 high. I used prolimatech pk2. How did you guys get it below 70c?

    Here is a foto. I watched on youtube that a line was better than dot.

    [​IMG]

    Would like to know whats the best method to reapply paste.
     
  8. Splintah

    Splintah Notebook Deity

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    Confession, I have only repasted one laptop in my life and that was my alienware 17 after I found the 6970m to be running hot. It helped only slightly. I have a feeling I am going to +1 that soon with this dual 880m alienware.
     
  9. wingman4ever

    wingman4ever Notebook Consultant

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    My GPU went to 91c after playing Witcher 2 on high settings.
    The GPU usage was at 99% constant.
     
  10. littlecx

    littlecx Notebook Deity

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    the temp is also highly affected by the solder quality of the heatsink.
     
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