Alienware 17 GTX 780M Temperatures?

Discussion in 'Alienware 17 and M17x' started by Bartlett, Jan 16, 2014.

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  1. Bartlett

    Bartlett The Prophet

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    Hey everyone,

    I recently repasted my GPU with TX-4, installed the T|I modified vBIOS, and ran Furmark. I undervolted the GPU from 1.0 to .90V and the temps still hit 87C, sometimes 88 or 89C. What the $%*^ is going on? This is ridiculous and I know I did a fine pasting job, too. Any other users experience really high temps with this GPU?

    Thanks
     
  2. jflax

    jflax Notebook Guru

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    I had the same problem after I repasted. My problem was that the thermal pads got in the way of the heatsink connecting properly to the GPU. I saw 90 C running the Heaven benchmark. After I readjusted one or two thermal pads and repasted again it's now fine and I haven't seen temps above 73 C.

    Maybe you have the same issue?
     
  3. Hackintoshihope

    Hackintoshihope AlienMeetsApple

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    Could you show us a picture of what we should be seeing?
     
  4. Alienware-L_Porras

    Alienware-L_Porras Company Representative

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    That could be the issue, also the heatsink could need a replacement.
     
  5. Bartlett

    Bartlett The Prophet

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    Could you send a picture perhaps or in more detail explain what you see and what actions you took to correct it?



    I don't see how the heatsink could need a replacement? The thermal pads are all on there and it has no flaws in its design as far as I can tell. However, I can easily reach 90C at stock clocks and 1.0 stock voltage, which is ludicrous.

    The heatsink is lying fine over the chip. I don't see any issues.
     
  6. J.Dre

    J.Dre Notebook Nobel Laureate

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    You need to use a better paste and use more of it. You said you used a tic-tac (mint) size amount and that's not enough with TX-4. That much may work with IC Diamond, but TX-4 doesn't spread well. Don't be afraid to be a little extra on there (obviously don't cake it on).

    Try using more, but not too much more. If that doesn't work, switch to IC Diamond and put a little more paste on it. If that still doesn't work, it could be hardware related (heat sink, fan, etc.) or software related (vBIOS or driver).
     
  7. Bartlett

    Bartlett The Prophet

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    I'll try a different paste. Temperature issue cannot be due to vBIOS for everyone else would have problems. I've reflashed a few times and still the same issue so I can assume that it's not a factor. As with drivers I have the latest ones. No performance issues so it seems like a non-factor as well. The only thing I can think of is insufficient/bad paste.

    What would make the heatsink faulty? I don't see why/how it would be, as it looks fine.
     
  8. J.Dre

    J.Dre Notebook Nobel Laureate

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    The heat sink could have a weak spot or something, which wouldn't be noticeable to the naked eye. It's rare, but still a possibility. Like I said above, there's a good chance it's just the paste or paste job. I'd say there's a 95% chance of that. Just give it another shot using a different paste.
     
  9. j95

    j95 Notebook Deity

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    Take pics of the thermal pad layout and htsnk, probably poor contact GPU die/heatsink also make sure that the vents/fan are clean.
     
  10. Bartlett

    Bartlett The Prophet

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    I see. Well idle temps would be an interesting bit of data too, and I seem to hover around 46-50C. Any word on that? It seems like I have good idle temps but bad load temps.

    I'll try that tonight. Perhaps I should take off the pads from the heatsink and put it on the card itself?
     
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