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Hi EdNJ - I'm sorry to hear you're experiencing difficulties connecting your QN900A to your FiOS box. So that we can better troubleshoot towards a solution, please do call Samsung Support again at: 1-800-SAMSUNG (ask for TVs), available 8AM - 12AM EST, 7 days a week, or Chat with us on Samsung.com: https://www.samsung.com/us/support/contact/ ^Gina
Sorry, there was a problem. Please try again later.I don't have a FIOS cable box BUT I have a Comcast cable box and believe it or not I've been getting the same thing with the spinning white dots on a black screen. One Geek tech told me it has something to do with the cable box bandwith.
Sorry, there was a problem. Please try again later.
