On macOS, go to “System Settings” > “Displays” and hold Option to reveal the “Detect Displays” button. Make sure the correct ...

A monitor displays a No Signal message when it does not receive a valid video signal from the computer or source. Here is a fix for Acer monitors ...

How to Fix Blurs in a Monitor. A blurry monitor can occur for several reasons such as bad resolution settings, non-matching cable connections or a dirty screen.

My Acer x263w displays "No Signal" right in the middle of the screen, unmoving too, when my Win 7 x64 PC is asleep. It is connected to an ATI 5450 chipset video card via HDMI. I have 2 other ...