OCTANE. No CUDA GPUs Error.

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OCTANE. No CUDA GPUs Error.

Postby shvahin » Tue Mar 05, 2019 2:38 pm

shvahin Tue Mar 05, 2019 2:38 pm
WTF, do u know?
Image

Thx.
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Re: OCTANE. No CUDA GPUs Error.

Postby bepeg4d » Wed Mar 06, 2019 9:08 am

bepeg4d Wed Mar 06, 2019 9:08 am
Hi,
please use DDU to completely remove the installed drivers:
http://www.guru3d.com/files-details/dis ... nload.html
Then perform a clean installation of 419.35 drivers:
https://www.nvidia.com/download/driverR ... 4363/en-us
ciao Beppe
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Re: OCTANE. No CUDA GPUs Error.

Postby bepeg4d » Wed Mar 06, 2019 10:30 am

bepeg4d Wed Mar 06, 2019 10:30 am
Hi,
Gabriele makes me notice that you are working with v1.55.
Better to perform a clean installation of an older version of Nvidia drivers.
Try with 397.93, but probably you need an older version:
https://www.nvidia.com/download/driverR ... 4624/en-us
ciao Beppe
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Re: OCTANE. No CUDA GPUs Error.

Postby yazganarikan » Sun Feb 09, 2020 11:00 pm

yazganarikan Sun Feb 09, 2020 11:00 pm
Hello,


I also have the "no cuda gpu's" error.
My Octane version: 4.05 standalone
GPU: GTX Titan
1. I uninstalled all drivers via DDU.
2. I opened the software without installing any driver. It worked.
3. I installed Nvidia Driver 442.19. Same problem happened again.
4. I tried several other driver versions the same problem happened in all the instances.
5. I installed 3.08 the problem is still there.

It looks like installing a driver is preventing octane to see the graphics card.

Can you help me?
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Re: OCTANE. No CUDA GPUs Error.

Postby bepeg4d » Mon Feb 10, 2020 7:06 am

bepeg4d Mon Feb 10, 2020 7:06 am
Hi,
v3.08 is too old, please use v4.05, and try to perform a clean installation of 419.67 Nvidia Creator Ready driver:
https://www.nvidia.com/download/driverR ... 5178/en-us
To perform a clean installation, please follow these steps:
Image

Then download and run GPU-Z:
https://www.techpowerup.com/gpuz/
And share a screenshot from the Graphics Card tab, for all the available Nvidia GPUs, thanks:
Image

ciao Beppe
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Re: OCTANE. No CUDA GPUs Error.

Postby yazganarikan » Mon Feb 10, 2020 10:11 am

yazganarikan Mon Feb 10, 2020 10:11 am
Hello Beppe,
Thank you for the instructions,
1. I installed windows 8 version of 419.67 since my OS is W8.1
2. I performed a clean installation
3. I still see the same error in Octane 4.05

This is my GPU-Z screenshot. I see that CUDA is not marked after 419.67. ( please note that just after the DDU, I was able to see CUDA ).
Attachments
CUDA.jpg
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Re: OCTANE. No CUDA GPUs Error.

Postby bepeg4d » Tue Feb 11, 2020 7:50 am

bepeg4d Tue Feb 11, 2020 7:50 am
Hi,
please try to perform a clean installation of 442.19 driver:
https://www.nvidia.com/download/driverR ... 6775/en-us
Then run OctaneBench 4.00c and share a screenshot of the results, thanks:
https://render.otoy.com/downloads/a/787 ... 0c_win.zip

ciao Beppe
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Re: OCTANE. No CUDA GPUs Error.

Postby yazganarikan » Tue Feb 11, 2020 6:28 pm

yazganarikan Tue Feb 11, 2020 6:28 pm
Hello

I clean-installed 442.19 for Windows 8.1
I ran OctaneBench_4_00c / octane.exe and received this message: No supported GPU found
Attachments
NoGpu.jpg
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Re: OCTANE. No CUDA GPUs Error.

Postby bepeg4d » Wed Feb 12, 2020 7:38 am

bepeg4d Wed Feb 12, 2020 7:38 am
Is CUDA still unchecked in the GPU-Z panel?
You need to find an Nvidia driver greater than 419.67 that works for you.
Unfortunately I don’t have other reports from Win 8.1 users, normally it is Win 7 or Win 10. :roll:
ciao Beppe
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Re: OCTANE. No CUDA GPUs Error.

Postby yazganarikan » Wed Feb 12, 2020 12:39 pm

yazganarikan Wed Feb 12, 2020 12:39 pm
Yes CUDA is still unchecked in the GPU-Z

It is unfortunate that the problem still exists but thank you very much for your help Beppe!
I will continue exploring :)
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