Hi tango, Thank you for sharing your experience with the TU7000 Crystal UHD TV. I am sorry to hear that you are seeing screen abnormalities. Please run a Picture Test to determine if the problem is caused by the TV. Picture Test displays a high-definition picture you can examine for flaws or faults. Go to Settings > Support > Device Care > Self Diagnosis > Picture Test If this occurs on all sources and the picture test, this will require service. - If you have an extended warranty you can reach out to them to have service processed. - If you're within the one-year warranty, please contact Samsung Customer Support to initiate service. - If you are past the time of warranty, please contact us for out-of-warranty service. You can reach us at 1-800-SAMSUNG (ask for TVs), available 8AM - 12AM EST, 7 days a week. For additional support resources, visit us on the Samsung website and click on the ‘Support’ link in the upper right corner of the homepage for: 1) Chat with Us/Product Help: To begin a chat or find solutions, choose ‘TVs & Home Theater’ and select your model & topic. 2) Register a Product: For access to easy warranty support, convenient opt-in to special promos and offers, faster troubleshooting and service, and quick notification of system updates. 3) Manuals & Software 4) Warranty Info 5) Contact Us ~ Samsung Solutions

katznorb: I’m sorry for the difficulties with your TV shutting off. We understand your frustrations, and are here to help. If your TV appears to turn off by itself, try disabling some of the TV's energy efficiency functions. See if Sleep Timer has been enabled. The Sleep Timer automatically turns the TV off after a specific period of time. Go to: Settings > General > System Manager > Time > Sleep Timer If the Sleep Timer has not been enabled, see if Auto Power Off or Off Timer have been enabled and disable it. - Settings > General > Power and Energy Saving > Auto Power Off - Settings > General > System Manager > Time > Off Timer If the TV continues to turn off by itself continuously, please contact Samsung Customer Support at 1-800-SAMSUNG (ask for TVs), available 8AM - 12AM EST, 7 days a week. For additional support resources, visit us on the Samsung website and click on the ‘Support’ link in the upper right corner of the homepage for: 1) Chat with Us/Product Help: To begin a chat or find solutions, choose ‘TVs & Home Theater’ and select your model & topic. 2) Manuals, Software, & Warranty Info Samsung is committed to providing the best possible product experience, quality, and value, and we are always here to help with any of your questions or concerns. - Samsung Advisor

Thank you, Steven K! We love to hear positive feedback and we’re delighted you’re enjoying your new Samsung TV. 

Thank you, DarlingD! We love to hear positive feedback and we’re delighted you’re enjoying your new Samsung TV. 

Thank you, rasusa! We love to hear positive feedback and we’re delighted you’re enjoying your new Samsung Smart 4K TV.