Hello jeff,
It sounds like you might be having issues with your Internet Connection. Make sure your TV has a strong WiFi connection, if possible hard wire to the modem/router for the best experience. If you are in need of a new HDMI Cable, please check out at Best Buy. https://www.bestbuy.com/site/a-v-cables-connectors/hdmi-cables-adapters/abcat0107020.c?id=abcat0107020&qp=brand_facet%3DBrand~AudioQuest
^Cristian