Question about Sony SDM-HS74P/S 17" LCD Monitor

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My monitor says "input ......" and then the screen flashes off.

Hello, when My computer is turned on, I turn my monitor on, and the screen is there, but it only stays for about 2 seconds. Then it goes black. I've also played with the input buttons, and can bring the picture back, but then again, it doesn't stay. I've tried restarting the computer, turning the monitor off for a long time, unplugging the monitor from the computer, and from power, and then retrying. Is there a valid reset button on this monitor, or is there anything else I can do to keep the picture?

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Re: My monitor says "input ......" and then the screen...

This is a duplicate post, click the following link to read the active posting:

Posted on Mar 16, 2007

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Computer screen keeps going black,,turn the monitor off and on,,screen come up for a bit,,the d sub appairs then gos black again

Hello there
You dont say which machine you have but a common problem is they are set for the WRONG input,
Have you checked using the 'onscreen' menu,of the monitor that you are looking at the right INPUT ???? D-sub is the 15 pin video cable input from your computer to the monitor. .It will go dark if you are not supplying a signal on that input.

Sep 24, 2014 | Computer Monitors

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Flashing colors

it's in a self Diagnostic test mode.
check to see if the colors are moving in a square arond the monitor and if there is any writing on the screen.
Make sure the wire from the monitor to the computer are plugged in properly- Reseat them. Take them out and place them gently back in. The wires should be snug not tight. they should not fall out by themselves.
check to see if you have a secondary video output from your monitor and if so attempt that connection as well. The computer will normally self recognize an output and a modern monitor will under normal circumstances project an input.

Mar 10, 2010 | BenQ FP71G 17" LCD Monitor

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Screen shows message "no input signal" and monitor goes to sleep.

monitor show "no input singnal" error masage when not gating any type of video singnal ,
so if u realy check your monitor wires for correctty plugged in .

Two possibilities:

either the video/mainboard of the monitor is defective; or
the video card/ CPU is the faulty.

A way to verify is to try the PC with another monitor or to try the monitor in another PC.


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1 Answer


Your monitor has several different video inputs.
Go to the configuration settings on your monitor and select the video input that matches the video cable from your computer.

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Sony SDM-HS74P/S 17 Monitor won't stay on the right picture.

This is a duplicate post, click the following link to read the active posting:

Mar 16, 2007 | Sony SDM-HS74P/S 17" LCD Monitor

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