A:AnswerPinballMuggle - To change the image size, go to: Menu > Settings > All Settings > Picture > Picture Size Settings. You can choose from Fit to Screen, Zoom and Position, and Picture Size. Under Picture Size, you can change the size of the picture displayed on the TV screen to 16:9 Standard, Custom, or 4:3. Please keep in mind supported picture sizes differ with the input signal and content you’re watching. When connecting an external device like an antenna, your TV will auto-recognize it as its' own source.
~ Samsung Specialist
A:AnswerRick - The Q60C has a built-in ATSC 1.0/ClearQAM tuner; when stepping up to the QN90C Neo QLED or S90C OLED, you’ll gain a built-in ATSC 3.0 tuner for receiving digital broadcasts.
~ Samsung Specialist
A:AnswerChiefP - If your laptop supports WiDi (Wireless Display) you can connect it that way. If it's an iOS device, you can connect via AirPlay.
~ Samsung Specialist