Hi Doreen, Thank you for purchasing the TU7000 TV and for sharing your review. The Crystal Processor 4K transforms everything you watch to 4K. Its crisp, clear picture is 4x the resolution of Full HD. If you are experiencing specific issues which caused you to give this a 2-star rating, please know Samsung Customer Support is here to help. Please contact 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

Sb greek, I am sorry to hear that you are experiencing issues. Samsung is committed to providing the best possible product experience, quality, and value. We back this TV with a 1-year limited manufacturer's warranty if purchased brand-new directly from an authorized seller. Please reach out to us via any of the following so that we can provide troubleshooting or begin warranty service. 1) Phone: 1-800-SAMSUNG Available 8AM – 9PM EST (Mon-Fri) 2) LiveChat: https://www.samsung.com/us/support/#contact_us_for_support 3) Facebook Messenger: https://www.facebook.com/samsungsupport 4) Twitter: https://twitter.com/SamsungSupport We hope to hear from you soon and assist you with a satisfactory solution. -Samsung Ambassador