This message was posted on behalf of Intel Corporation
I understand the screen flickers when changing TV to HDMI connection. Let me help you on this matter.
At this point, I would like to get additional information about your system, please run the following utility and attach the results.
Intel® System Support Utility for Windows*
Also, please confirm if you are using direct HDMI cables like HDMI to HDMI.
Thank you for your time.