Hi njmom! If part of the display panel is not lighting up, it will likely require a service technician to repair it. We would be happy to assist you in setting up this service if you would like. You can even reference ticket number 1143142037, and contact us directly through Facebook Messenger: http://m.me/samsungsupport; or Twitter: https://twitter.com/messages/compose?recipient_id=18768513. ^Jecca