I am having issues trying to enable PC Mode on my TCL TV. The reason why I am trying to do this is because I am trying to have the TV handle RGB Full rather than RGB Limited via one of my HDMI inputs. I am having a lot of issues finding out sufficient information about the so-called "PC" or "Computer" mode on TCL Roku TVs. I have heard that the TV will enter PC Mode when a computer is hooked up to it via HDMI or PC Mode can be forced by selecting the Computer icon for the particular HDMI input. I have tried this but it does not seem to be working for me. Does anyone have any suggestions on enabling this or any more information about if it is even possible to get this particular Roku TV to handle RGB Full?