m18x R2 with NVidia 780M

Discussion in 'Alienware 18 and M18x' started by GameEngineer, Jan 5, 2019.

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  1. Rengsey R. H. Jr.

    Rengsey R. H. Jr. I Never Slept

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    Has it been proven that a single gpu can run in the secondary slot?
     
  2. marcomarc

    marcomarc Notebook Enthusiast

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    Looks like ur card is dead...but never sure
    Have you checked the bios of the card? I would try by installing the genuine bios
    Here is it...
    You can import in your bios with nvflash, but save yours first with Kepplerbios tweaker
    I have sli 780m , the rom came from my cards
     

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  3. GameEngineer

    GameEngineer Notebook Enthusiast

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    I do not have a heatsink for the right side at the moment so that's mute for me anyway. But its a good question.
     
  4. GameEngineer

    GameEngineer Notebook Enthusiast

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    Thanks! I have not checked the card BIOS. That would be new turf for me but am willing to look. This "feels" like a hw issue since it was working flawlessly for at least 8 months. I have not pulled and cleaned the board yet but I will do that maybe tonight. But I am starting to think it may be more board related like cracked trace or loose chip. Banging the laptop where the board is definitely will make it fail.
     
  5. Rengsey R. H. Jr.

    Rengsey R. H. Jr. I Never Slept

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    I might give it a try and solve this myth lol ....
     
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  6. GameEngineer

    GameEngineer Notebook Enthusiast

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    The parts people that sold me the board contacted me with an RMA so I think I'll go ahead and return it at this point since I have a warranty. They of course don't have a replacement board but said they will try other sources.
    What am I looking for in a board if I go looking for one myself?
     
  7. Rengsey R. H. Jr.

    Rengsey R. H. Jr. I Never Slept

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    Just search on eBay the keyword “ GTX 780M “
     
  8. GameEngineer

    GameEngineer Notebook Enthusiast

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    Right, but the model isn't the issue. What I meant was is there a particular board (clevo, non-clevo, other), manufacturer or reseller I should stay clear from.
     
  9. M18x-oldie

    M18x-oldie Notebook Evangelist

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    In the r1 that didn't work, after my primary 6990m (crossfire) was dead, I removed it and tested the system with only the slave card in, the card was recognized but system only ran on iGPU and didn't use the card at all.
    Then transferred the slave card into master slot and it was used by the system.

    I suppose as long as master slot is empty, system only runs on iGPU.
     
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  10. GameEngineer

    GameEngineer Notebook Enthusiast

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    Good to know. I could button my laptop back up and test that now that the gpu board has been removed and will be sent back to the supplier for replacement.
     
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