So I was staying in a Marriott hotel and wanted to connect my Laptops HDMI out to the TV, Should be simple right…. Nope no obvious way to select the damn HDMI input. Anyway after searching I came across http://www.avsforum.com/t/847387/marriott-hotel-32-lg-question#post_22147891 For Me pressing 0 worked, although I did manage to confuse their control box at…