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Video Preview Window Troubleshooting

When previewing the video stream, if you encounter a problem, try one of the following solutions.

Problem

Possible Solutions

Video Preview window stops running.

  • Close the preview window and reopen it.

  • Verify that your image acquisition device is working properly. Close MATLAB® and run the application that came with your device.

  • Make sure no other application is using the device.

Video Preview window displays a white window with a red X.

  • Close the preview window and reopen it.

  • Make sure no other application is using the device.

  • If you are using a GigE Vision camera (either the gige adaptor with the videoinput object or the gigecam object), you may need to disable your firewall. See GigE Vision Hardware for more information.

Video Preview window displays dropped frames message.

  • Close the preview window and reopen it.

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