This message was posted on behalf of Intel Corporation
Thank you for joining the community.
Allowed me to share this following link for assistance about setting three display
In there you can find information on how to set independent display, HD graphics that support these fractures, dongles information, and other frequently asked questions about configuration.
Allowed me to share with you that Intel® does not recommend the use of any kind of adapters. This is because we cannot test all of them, so we cannot guarantee that these are going to work. We can recommend you to update your graphics driver that in some cases will fix the problem.
Can you try to set the configuration with straight connections form the PC to the displays?