a friend recently gave me their old 37" TV but told me that the HDMI no longer works. I plugged my MacBook Pro into it with mini dv to hdmi and it showed up on the tv when I set the input to HDMI. So, this means it works right? Is there anything else to check to make sure it's working as well as it should? It looks good to me but maybe I don't know what I'm talking about. I want to play ps4 on this tv so I'd like to make sure it looks as good as it can and I figure that means making sure the HDMI works correctly. Thanks!