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GeForce GTX 780 card stopped working in Iray

LindaBLindaB Posts: 180
in Technical Help (nuts n bolts)

I was having some rendering problems so I tried updating the driver for my NVIDIA GeForce GTX 780. As a result, now I can only render using the CPU! By trying to solve a small problem, Icreated a much larger one. I have not been able to solve this. I have been wanting to upgrade this card for a long, long time, but held off because of a shortage with the GeForce GTX 1080 Ti, which was the card I wanted. Now I'm thinking of just upgrading now to end the frustation. I'm thinking of the GeForce RTX 2080 Ti. Is this a good option? Any suggestions? SO frustrated!

Comments

  • JamesJABJamesJAB Posts: 1,760

    Did you update your Nvidia drivers using windows update, or did you get them directly from Nvidia?

    The windows update driver version does not work for Iray or OpenGL

  • LenioTGLenioTG Posts: 2,118

    Well, if you have the money, the 2080 Ti is arguably a beast GPU, and I'd go with an RTX card in general nowadays!

    But I think this is a driver issue you could fix! ^^

  • KitsumoKitsumo Posts: 1,216
    The 700 series should still work. The trick is to go to Nvidia's website and download the driver they recommend for your card(It may be in the legacy section). The newest drivers are usually for current generation hardware and may cause issues with older cards.
  • LindaBLindaB Posts: 180

    I followed your advice, downloaded the driver directly from NVIDIA and my GPU is working with DAZ Studio again. Thanks for your help! I'm still seriously considering an upgrade though. Could I possibly combine my 780 GTX with the GeForce RTX 2080 Ti? Can the two cards be used together like that, or should one replace the other?

  • JamesJABJamesJAB Posts: 1,760
    As long as you have the PCI-e slots, enough space in your computer, and a strong enough power supply.
  • LenioTGLenioTG Posts: 2,118
    LindaB said:

    I followed your advice, downloaded the driver directly from NVIDIA and my GPU is working with DAZ Studio again. Thanks for your help! I'm still seriously considering an upgrade though. Could I possibly combine my 780 GTX with the GeForce RTX 2080 Ti? Can the two cards be used together like that, or should one replace the other?

    You can, but using different generations cards together slows the newer one!

    You'd probably be better off with just that 2080 Ti.

    Maybe you could use your 780 to see your screen and free some VRAM from your 2080, if your CPU doesn't have an integrated graphic!

  • KitsumoKitsumo Posts: 1,216
    LindaB said:

    I followed your advice, downloaded the driver directly from NVIDIA and my GPU is working with DAZ Studio again. Thanks for your help! I'm still seriously considering an upgrade though. Could I possibly combine my 780 GTX with the GeForce RTX 2080 Ti? Can the two cards be used together like that, or should one replace the other?

    I think you'll be ok. I've done my own testing and never experienced a slowdown by adding the slower card. I guess it could be different with the 20 series, but I can't see why. Anyway, it won't hurt to try it.

  • kenshaw011267kenshaw011267 Posts: 3,805

    I just added a 2070 to my existing 1080ti and I got a significant boost to render speed. I do not think either card is slowed down. Based on the benchmark thread I'm getting the results you'd expect from combing the two.

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