I can definitely understand your concern here. Let's try to alleviate some of the stress by trying this link: https://www.samsung.com/us/support/troubleshooting/TSG01110761/#check-the-monitor-s-source-and-conne... Please read the link in its entirety to reap the full benefit of the troubleshooting. If this doesn't help, I recommend letting a service technician look this over. As we would like to look at this from a case-by-case basis, we would need to gather additional information. Please provide the full model code and the serial number of the device as well as your best contact phone number, name, and email.
