Solve : No input signal Dell 24" Monitor?

1.	Solve : No input signal Dell 24" Monitor?
Answer» I have a 24" Dell monitor that was moved by one of my co-workers and when it was set in its new location, the monitor shows a blue box in the upper right HAND corner that says "no input SIGNAL". The box is 4" x 5" but does not effect the rest of the monitor. It's business as usual except for the blue box. I'm using a NVIDIA GeForce 7100 / NVIDIA nForce 630i video card and have Vista Home Premium 64 bit OS. Manufacturer is Gateway and model is DX4720-03. PROCESSOR is Pentium Dual Core E5200 2.5GHz. Any SUGGESTIONS on how I can get rid of this blue box? Thanks It sounds like the CABLE in the back of the monitor is not plugged in right. Check both ends to be sure its plugged back in correctly....the monitor and the back of the computer.

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