Screen flickering or "No Signal" message is displayed when using HDMI3 port

If you encounter screen flickering  or "No Signal" message when using HDMI3 port, please try either of the following methods to resolve the issue:

1. Remove the HDMI cable and reconnect to HDMI3 port again. 
2. Unplug the power cable of connecting device, and plugin again. 

If the symptoms still persists, please use HDMI1 or HDMI2 port as a temporary workaround.

This issue will be fixed in the upcoming software update.