Samsung CH711 Series Curved 27-Inch QHD Monitor

There is a thick vertical black line running from the top to the bottom of the screen. A second thinner dark line appears beside it. The rest of the display is still working, which means the monitor powers on and receives video normally. Specifications: • Brand: Samsung • Type: Computer Monitor • Model: Samsung CH711 Series • Condition: Refurbished • Resolution: Full 4K 4096x2160 • Screen Size: 27 inches • Display Type: Glossy • Display Technology: OLED • Aspect Ratio: 16:10 • Video Input: Display Port,HDMI