A:AnswerThe best configuration for mirroring a laptop would be to connect the computer directly to the TV with HDMI, and use the computer's camera for the video conference.
Thanks for your interest in Samsung products.
--Mr. S
A:AnswerNot sure of warranty but always use a credit card like Wells Fargo Platinum Visa, it ADDS TWO YEARS ON TO YOUR WARRANTY. Most all good credit cards offer protection, check the small print that came with your card or go on line.