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  1. #1

    Render Device menu grayed out with CUDA selected under "Cycles Compute Device"

    Hi all,

    Okay so like most newcomers, I'm doing [Blender Guru] Andrew Price's beginners tutorial series. I'm on part 9, last section, and trying to setup the IPR settings as he has done. Exactly as he did, precisely as he did. I did it multiple times to make sure that I did do it right. I did.


    The Device menu [Render section under the Render tab] stays grayed out. Yet weirdly enough I can choose either CPU or GPU.... I have CUDA selected, with my GPU, under the CCD prefs. I made a render to see if there was actually a difference, but there were no changes in time with the same sampling amount. I assume the settings are thus pseudo-active? So I'd like to be able to have this section light up and see the actual effect.

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    What the settings look
    like as of currently.


    • Blender vs.: 2.78c

    • GPU: GeForce GTX 650Ti BOOST

    • GPU Drivers: Latest update installed [I double checked before posting this]

    • OS: Win 10 Pro

    I'm hoping that someone here can help me. An ordered step-by-step guide/tutorial to fix this would be appreciated greatly (if there is even a fix).

    I don't know if this would help really but I have used GPU rendering with C4D - i.e. Octane and Vray and Redshift.

    Please let me know if you need any other details. I tried to give as much info I thought would be of use.

    Thanks a million in advance.

  2. #2
    Join Date
    Mar 2006
    Kiel, Germany
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    Asus Sabertooth 990 FX | AMD FX-8350 @ 4.6 GHz | 32 GB RAM | GIGABYTE GeForce GTX 1070 OC 8 GB
    Win 10 Professional

  3. #3
    Heya IkariShanji, thanks for the reply.

    It was active.

    In any case, with the release of 2.79 and the new checkbox UI feature, it was resolved.


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