There are some quick tests that you can complete to rule out potential issues. You can test to make sure that the following components are working correctly and are not the source of the issue:
Note: When you test setup components, you should avoid using video adapters. For example, if you are converting a VGA source to HDMI for use with an HDMI extender, you should use an HDMI source when you test the components.
To test your setup components, try the following:
When you test your cables, it is recommended that you do the following:
When you test the video source and video destination, it is recommended that you do the following:
Note: In order for your setup to work properly, the video source, extender, and destination all need to support the resolution that you are using.