Check OpenCL Driver

This article demonstrates how to check whether OpenCL driver is installed on your PC.

Select your OS:

  1. Download clinfo Windows binary file.

  2. Launch the Command Prompt by pressing Win + R keys on the keyboard, then type cmd and press Enter.

  3. Navigate to the directory that contains the downloaded file (clinfo.exe) and execute the following command:

    clinfo -l

    This will print a synthetic summary about all OpenCV platforms on the system and the devices they expose.


In case the number of platforms is equal to 0 you need to install the OpenCL driver. The simplest way to do this is by installing the latest GPU drivers: