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LCD monitor comes on for 1-2 seconds and then screen goes dark (power light stays on - green). Turn monitor off and back on and same result.

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It sounds like you could have either a faulty VGA cable (slim chance) or a faulty graphics processor.

Try using a different cable from a friend.

Good luck!

Chris

Posted on Jul 21, 2008

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My averatec lcd won't stay on


Can you try your monitor on another computer to see if it does this there as well? Usually this happens only when video is not detected coming from the PC. It could be as simple as a short in the monitor cable. If you have it connected to a laptop you'll also want to check you control panel power setting rules and then the screen saver under display.

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The LCD does goes dark after power on


you mean few second the monitor goes in black. then its come. if it happen, it is ok

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Monitor displays breifly then goes to blank screen


If tried the monitor on two other computers with the same result -- definitly your monitor is faulty. Take it to the repair shop. To make double sure, run your computer with another monitor. If everything is fine now; you can blame the monitor.

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I have a shap lcd computer monitor and when i plug it into my computer and turn the power on, the little green power light comes on, screens back. and after 5-10 seconds the light turns orange and blinks...


It could be your monitor is fine. It simply goes to a cycle when its turned on and does not detect any signal coming from your CPU, it simply goes on standby mode (hence the darker image and orange/blinking light.) have you checked the computer (CPU) part?

Dec 04, 2008 | PC Desktops

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Monitor goes black but the green light stays on. I turn the power button off and then back on and it comes back on. It may stay on for a few seconds to several minutes.


Check to see if the image is Dimmed. Chances are the power supply on the FPD is either dead or not supplying power to the back lights.

Your problem is the back lights are not being powered. There is a signal going to your FPD because the power light remains on green, but the back lights are what helps support an image from the Front Panel Display.
The only way to fix this is to open it up.

If its got 3 boards inside((logic-->video, Inverter, Power)) The problem is the Inverter. Replace it.
The inverter is the board that supplies power for the backlights to turn on. The backlights
provide a light.for the LCD Panel(provides color and is the logic. ... similar to a projector.
If its got 2 boards inside ((Logic-->video, Power)) The problem is the power supply. The inverter is embedded onto it.

Simply replace the part with a known good one, and you got a spanking new monitor.

Sep 18, 2008 | PC Desktops

1 Answer

My monitor comes on for one second then goes black. The green light stays on the whole time.


Check the cables, make sure it is secure on both ends. Also see if you pull up the Monitors on screen menu.

As long as the light is green, that means there is a signal. it could be a bad monitor. Shut off all the lights in the room, then grab a Flashlight and hold it against the LCD screen while it boots into windows. Can you see the desktop now, but very dimm? If you can see the desktop, then connect Your PC to another monitor (if u have one or a friends, perhaps) and boot it up, can you see the desktop on the other monitor fine?, then we just ruled out a Bad video card and narrowed it down to either a Bad Inverter in the Screen or LCD back light issue.

probally not worth fixing, because replacement LCD's arent cheap. nowadays at the right sale you can buy a Brand new LCD monitor for as little as $199


good luck,

djEnigma

Apr 01, 2008 | PC Desktops

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Is this a Software/Config/Hardware Problem ?


hmmm..sounds like a sleep or screen saver conflict...try booting up on Safe mode(F8) on turn on, and then see how that works. Set your screen saver for Never, and see what happens.

You may be hitting a thermal issue with your video circuitry.

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