Samsung S27A850D Display does not pick up the signal of a PC: Dell Studio XPS with a ATI Radeon HD 3600 video adapter. Also tried other pc’s but all showed the same problem. You have to start up with a split screen and after the operating system is loaded you can go back to the full screen. After repair by Samsung, the monitor worked fine. They told me it was a problem with the power supply?
Read more here:
Samsung S27A850D Display problem