Question about Mag Innovision LT782S 17" Flat Panel LCD Monitor

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Mag innovision LT716s monitor

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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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.

Posted on Feb 20, 2008

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Hello,

The picture board on your monitor is bad, since it goes off after few seconds and the power led or button is on, it means the picture board of your monitor has developed fault.

The best thing for you to do now is to take the monitor to a local repairer or service center within your vicinity to help with the replacement of the picture board because the fault is not something you can fix yourself, in order not to complicate issues.

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Power Supply, replace the caps, 220uf,470uf,680uf. You will see the tops of them are popped out, check the board too see if its turning color from the surface mount transistors that drive the lamps. If its turn on very dark color the parts in the monitors are very stressed out.

Then you may need to replace the monitor.

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it is a problem signal cable of the monitor open the monitor test the continuty of 15 pin signal cable
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Oct 07, 2008 | Mag Innovision LT782S 17" Flat Panel LCD...

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Screen had multi-color vertical lines, then went black


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I think it's busted


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Nov 20, 2007 | Mag Innovision LT782S 17" Flat Panel LCD...

1 Answer

Monitor took half an hour to warm up, now won't start.


doubtful this is a driver issue warm up is not needed for any monitor. this is a power board issue internal to the monitor capacitors or some issue on the main power board. let me kow what you will do. good luck.

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