Hardware acceleration not working
Hi,
I got the message "Hardware Acceleration not working" with latest nvidia drivers 456.38 installed after clean up with DDU. I have a RTX 2080 and latest windows 10 version (2004) updated.
Was working perfectly previously.
C1 version is also the latest 13.1.2.
I tried everything, restarting PC, Capture one, activating & deactivating HW accel... nothing works :/
Am I the only one?
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You probably need to look at the process log file to see what it reports.
Also I have found in the past that there are 2 different sources for the nvidia drivers in some cases. And also that the latest drivers are not always the best options to use. Sometimes it is better to go back a release or maybe two.
But without knowing and understanding what the log file is reporting you will be guessing somewhat.
Try reverting to the previous driver as part of the analysis?
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With DDU you mean "Display Driver Uninstaller"? Was there a special reason why you used it instead of installing the new NVidia driver over the old one?
With Windows in normal mode: Run the NVidia-Driver setup-program again and select "new installation". Make sure that PhysX will be installed. (Do not use DDU to remove the driver)
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DDU is a cleaner way to install the driver to be sure everything is OK.
I guess I have solved my issue.
I deleted everything in the folderC:\Users\XXX\AppData\Local\CaptureOne\ImageCore
It launched a new creation of the Core files and the HW acceleration is now working again :)
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With Windows in normal mode: Run the NVidia-Driver setup-program again and select "new installation". Make sure that PhysX will be installed.
Ralf, I've never installed PhysX. Why is it needed?
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After all, it seems to me that DDU messed up the CO settings...
I wouldn't describe the usage of DDU as "a cleaner way". Esp., because DDU documentation recommends the use only if there are problems with the driver: https://www.wagnardsoft.com/content/display-driver-uninstaller-ddu-v18032-released
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@Filthy Lucre
Usually, the PhysX part is selected by default when installing an NVidia driver.
To my understanding, the PhysX part of the graphics drivers contains the OpenCL implementation, which CO needs for HW acceleration.
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"...To my understanding, the PhysX part of the graphics drivers contains the OpenCL implementation, which CO needs for HW acceleration. ..." ---> https://en.wikipedia.org/wiki/PhysX
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Usually, the PhysX part is selected by default when installing an NVidia driver.
I use the custom install, omit everything but the driver and hardware acceleration seems to work fine. I skimmed the article dee posted but saw no mention of OpenCL. It did seem to confirm my thinking that PhysX is a gamer thing.
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Both PhysX and OpenCL are using the CUDA APIs on NVidia cards.
NVidia does not clarify very well, what is needed to use OpenCL (nor which HW acceleration is available without installing the PhysX driver (ie. which CUDA runtime APIs would be available without PhysX installed).
This made me think that PhysX is needed to be able to fully use HW acceleration.
Additionally, NVidia mentions in the release notes that PhysX will not be installed while Windows is running in Safe Mode. Whereas that DDU should be run in safe mode.
Based on those topics, I wanted to make sure that the thread originator has the most complete Driver installation possible, when trying to check why HW acceleration did not work.
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Fair enough. The next time I do a driver update I'll let PhysX install. Can't hurt, might help. I assume the C1 OpenCL benchmark score would validate any improvement.
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Using DDU is not an issue at all.
My issue was the Capture One Core files being corrupted not an nvidia driver.
My installation with DDU went flawlessly and everything is working perfectly not that I erased the core files.0
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