Hello, Kalki! We want you to know that we continuously work to improve the quality of our products that drive customer satisfaction. Your review for your LG 75 Inch LED 4K UHD Smart webOS 23 TV is especially important to us, and your concerns will not go unnoticed and shared with our team. We would love for you to reach out to our LG Social Support team on Facebook or Twitter, using the handle @LGUSSupport, and provide the model and serial numbers of your TV in your first message, and we will certainly further investigate your picture quality issue. ~Rita

Hi there, We're responding to the issues that you're having with scanning channels and streaming DirecTV. Low signal strength and signal quality can cause poor picture quality, a black screen, or a No Signal message to display on your TV. Go to [SETTINGS] > [ALL SETTINGS] > [CHANNEL TUNING] > [MANUAL TUNING]. Check the Signal Strength and quality of the selected channel. In regard to streaming Directv. Press the Home button on your remote (if you are not already there). Select Find. Select Search and enter DIRECTV STREAM. ... Select the DIRECTV STREAM icon. Select Download to begin download. Once the app downloads, click Sign Up and follow the instructions. Please don't hesitate to contact us at 800-243-0000 if you require additional assistance. ~Tanisha