The latest 64-bit Windows 10 update blocks OpenCL

robertmiles
robertmiles
Joined: 8 Oct 09
Posts: 127
Credit: 29937534
RAC: 17804
Topic 201296

WARNING - the latest 64-bit Windows 10 update blocks OpenCL access to my GT 440 graphics board.  CUDA access does not seem to be affected.

I tried to report this problem to Microsoft; the normal problem reporting channels all seem to be blocked.

robertmiles
robertmiles
Joined: 8 Oct 09
Posts: 127
Credit: 29937534
RAC: 17804

Solution found if you have

Solution found if you have GEFORCE Experience installed - start it. Either tell it to install a newer driver, or click on the three dots to the right of the message telling you which driver you have installed, and tell it to reinstall the driver.

This tells it to install the Nvidia version of the driver, with the OpenCL interface, instead of the Microsoft version, which usually does not have the OpenCL interface.

mmonnin
mmonnin
Joined: 29 May 16
Posts: 292
Credit: 3444726540
RAC: 45224

Yep, Win10 has been known to

Yep, Win10 has been known to auto install drivers w/o OpenCL support.

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