Monitor Reset, Self-Test, Built-in Diagnostic - Dell Community
LG Monitor Black Screen with No Menu? (Try these PROVEN Fixes)
Amazon.com: Dell P2419H 24 Inch LED-Backlit, Anti-Glare, 3H Hard Coating IPS Monitor - (8 ms Response, FHD 1920 x 1080 at 60Hz, 1000:1 Contrast, with ComfortView DisplayPort, VGA, HDMI and USB), Black : Electronics