fifisteph
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Hi, Just bought an Evga GTX770 SC 2GB w/ ACX and after running GPU-Z 0.7.4 I've seen these results :  The card is showing no OpenCL, no CUDA and no Physx. I've tried to remove physx and reinstall physx driver and same result. In Nvidia control panel, I can switch Physx to CPU or GTX770. Tried both (even autoselect) and same result. When I run EVGA Benchmark (with EVGA OC ScannerX : Physx Fluids v1 GPU), I see only "Physx ==> CPU" but it should be GPU. No ? (same result in other ScannerX benchmarks) Is it something wrong here on my side (card, system,...)? Thanks PS : My system MB: ASUS p8Z77-V CPU: Corei5 RAM: Corsair 8GB (2x4) HD: SSD Intel 330
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linuxrouter
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Re: GTX 770 sc w/ACX - No OpenCL - No CUDA - No Physx
2013/11/20 10:08:27
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Check under the following two folders for the files nvcuda.dll and nvopencl.dll.
C:\Windows\system32
C:\Windows\SysWOW64
Those files should be present and matching the driver version for CUDA and OpenCL support to work.
If those files are missing, then it is possible to manually extract them from the NVIDIA driver folder and move them to the appropriate location. Otherwise, try and uninstall both the base driver and Physx driver, reboot, and perform a clean install of the base driver.
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fifisteph
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Re: GTX 770 sc w/ACX - No OpenCL - No CUDA - No Physx
2013/11/20 12:30:34
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Thank you for your answer.
The 2 files were present. I've tries to remove completely nvidia drivers, reboot, clean windows registry with ccleaner, reinstall nvidia drivers, reboot ==> same problem (and the two dlls are present in both directories)
Just to compare, when I run ScannerX benchmark, here is what I have:
- Physx 3 Fluids v1 (GPU)
- 1920x1080, AAx4
- Score 2191 (36 fps)
- Max fps 64
- CPU Physx
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coolmistry
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Re: GTX 770 sc w/ACX - No OpenCL - No CUDA - No Physx
2013/11/20 13:45:44
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Let try uninstall GPU-Z then run CCleaner and re install!! let see this if may help!!
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fifisteph
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Re: GTX 770 sc w/ACX - No OpenCL - No CUDA - No Physx
2013/11/20 13:56:37
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Tried, but no more success. I even tried with another GPU info tool (GPU Caps viewer). And it says "No CUDA support", but Physx seems to be detected here.  PS : The temp is high because I'm currently playing a game ;)
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coolmistry
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Re: GTX 770 sc w/ACX - No OpenCL - No CUDA - No Physx
2013/11/20 14:09:24
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Wow that too high really! My is always up to between 55c to 65c play in Blacklist and Batman Origins with overclock of course! I sure your is serious problem but let try remove GPU Card after you have shut down and remove power plug then re seat into slot firm properly again!!! But can you please tell us what is your motherboard and also full spec and make sure you have put GPU card in right numbers of slot?
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fifisteph
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Re: GTX 770 sc w/ACX - No OpenCL - No CUDA - No Physx
2013/11/20 14:21:34
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Here is the config : (my GPU card is in the first PCI-E x16 slot, navy blue color, recommended by asus). My GTX 460 was working great there). Windows 7 Ultimate 64bits ASUS P8Z77-V CORE i5 3570K EVGA GTX 770 DUAL SC 2GB w/ ACX (2776) SSD Intel 330 ANTEC P183 with 4 fans (2 Noctua 120mm, 1 Xigmatek 140mm and 1 stock 120mm) PSU Thermaltake 750W I trie a specific Physx test but my result are really poor (1325 - 22 fps) compared to average other scores on website (5000+) 
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coolmistry
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Re: GTX 770 sc w/ACX - No OpenCL - No CUDA - No Physx
2013/11/20 14:50:11
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I have test on my so the result is SCORE: 5449 points, 89 FPS mm I think your PhysX software corrupt or Nvidia Driver!!! try again re install Nvidia Driver again but please use control panel to uninstall all Nvidia Software include physX and then do Driver last. Go windows update setting change to never check for update windows and one more do close EVGA Precsion X and untick start up windows in EVGA Precision configuration if you are using Precision or afterburner then reboot! After Reboot do run CCleaner then do try again install Latest Nvidia driver and Physx only do not install Geforce Experience and 3D Software if you are not in use then don't install!! After complete do reboot once and so then you can put back run normal in windows update setting and EVGA Precision. Let try test and post us back if any problem EDIT > Forget to tell you please close EVGA Precision after untick start up with windows first before uninstall NVIDIA Driver!!!!!
post edited by coolmistry - 2013/11/20 14:55:02
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linuxrouter
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Re: GTX 770 sc w/ACX - No OpenCL - No CUDA - No Physx
2013/11/20 16:03:03
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I just realized you are running driver 331.82. I recently had some issues with CUDA and OpenCL detection via driver 331.65 and actually ended up having to extract and copy the necessary libraries from driver 331.58 to have this support re-enabled again. I have not tried 331.82 yet but perhaps your issue is similar to the one I previously had. Could you uninstall driver 331.82 and give driver 331.58 a try instead?
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fifisteph
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Re: GTX 770 sc w/ACX - No OpenCL - No CUDA - No Physx
2013/11/20 16:24:13
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Thanks guys for your help, but nothing seems to solve my problem.
I'm going to reinstall my win 7 completely and see the result after that.
Thanks one more time.
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fifisteph
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Re: GTX 770 sc w/ACX - No OpenCL - No CUDA - No Physx
2013/11/21 14:16:03
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I've installed Windows 8.1 and everything seems to be good. So, the problem was my Win 7 install...
Thanks guys for your help.
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coolmistry
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Re: GTX 770 sc w/ACX - No OpenCL - No CUDA - No Physx
2013/11/23 02:16:09
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Welcome!
Thanks for letting us know!! That stranger how come problem with Win 7!! They both same operate system but Win 8.1 improve features better!
Glad all solved and enjoying!
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