What does it mean when your computer monitor blank and the power button blinking?

When we plug the same monitor into another computer it works fine. Could it be that the computer it was originally plugged into needs a new video card?

Obviously the monitor is fine. Usually a blinking power button means the computer is in standby or hibernation mode, and the blank monitor means no video signal. All pretty straightforward. I assume you have turned the computer off then back on again, right? It could be a faulty video card or cable connection. If your graphics card has different outputs, try switching to the other one and see if that helps. Good luck.

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