A:AnswerShould just plug in an HDMI cable to your TV and cable box.
Change the input to whichever HDMI port you plugged it into.
Cable should be working then.
A:AnswerThe Geek Squad Warranty protects against power surges and manufacturer defects. The Hisense warranty does not. It covers just basic manufacturer defects.
A:AnswerHave the remote go thru the scramble process to find the code. It finds it very quickly. I bought two of these sets and had no problem getting cable remote to work tv with either
A:AnswerGo here to update you firmware for 50 and 55 H8C model: http://www.timothyhoogland.com/2016/10/update-your-hisense-h8-series-tv-to-support-hdr-50-55-models/