There are several possible causes of “no signal” on a computer monitor, including: Loose or disconnected cables: A loose or disconnected cable between the monitor and computer can cause the ...

How do I fix my monitor Input Signal Out of range? To fix a monitor input signal out of range problem adjust the computer’s resolution to a compatible setting with the display.

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 ...

Every input given to a computer is displayed on the monitor in a form that a user can understand. The signal coming from the computer tells the monitor what to display.

No video or wonky picture on your second or third monitor? Here’s our troubleshooting and repair guide for some of the most common multi-screen issues.