Question about Mag Innovision LT782S 17" Flat Panel LCD Monitor

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No Video Will power up fine but I think after it warms up the video will disappear. If you turn off and on it will come on but for only a short time.

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Re: No Video - Mag Innovision LT782S 17" Flat Panel LCD Monitor Computer Monitors

There is some problem with your crt tube

Posted on Feb 20, 2008

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My hp 1502 lcd monitor only shows a white screen

If you don't use an identical monitors, then they may not work if your video card can not handle them. The "check video cable" it means the monitor does not get a signal, and it does not mean that the monitor is a problematic monitor. You can test this monitor as a single monitor (and try to connect it using first video port, and then move it to the second video port).

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After some time LCD going to black screen till again power on

Do you have a Video Picture for a short time and soon after the picture drops out and the screen goes black?
If so, when the LCD gets warm/hot a Diode shorts out and the screen can shut down. If that is the case, you may need to replace the screen. A technician needs to test the circuit board to see if a short is occurring in that hardware as this could be another fault.

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The monitor is a samsung syncmaster 920MW. It works when I turn it on, but then after three seconds it cuts off. The power indicator LED is still green. However the display is blank (as if the monitor were...

this is usually a short that reacts to heat. as it runs and warms up it shorts, then it cools, etc, etc. I would just replace the monitor. With the black friday deals you should be able to get a flat screen for under a hundred dollars.
best of luck

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Every time I go to a new page it causes static on the picture for a second then disappears. When I stay on one page it is fine...whenever I change web pages, it flickers for a second or two again. ...

Sounds like a video connection problem. It is either your video connection on your PC or the monitor. You can try connecting it to a different video connector on your PC; there are normally a VGA and one other connector. If that doesn't work, it could be your monitor. Try taking it to a computer store and having the techs plug it into floor models.

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It sounds very normal; when the video signal from the computer disappears, most late monitors will go to standby mode but most will also tell you it's going to sleep with some kind of message.
Turning the main system off doesn't normally disconnect the AC from the monitor so what you describe is that the monitor is plugged into a receptacle of its own, not one that you are turning off with the PC.
BTW, PCs and TVs (including monitors) aren't really 'off' when they are off. They have a small amount of current drain that serves to keep alive certain circuits so they can respond to, for example, the return of the video signal or, in the case of a TV set, a command to power up from your remote. They could not respond unless they can interpret the signal to wake up.   

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When I turn on my computer the monitor takes a long time to warm up and colors change and vertical lines flash across the screen from right to left before the screen becomes normal again. Now the power light even goes out upon turning on my computer and I have to unplug the video cord and plug it back in to start the screen back up which even takes longer.

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