Question about Dell UltraSharp 1800FP 18.1" LCD Flat Panel Monitor

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Video on 1800FP flashes on and off. - Dell UltraSharp 1800FP 18.1" LCD Flat Panel Monitor

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You need to check the output voltage of the power supply module to see if the 12vdc output is swtiching on and off, it can be power supply failure or it is sensing short circuits, it can also be the inverter board.
http://www.lcdrepair.us/1800fp-power.html

http://www.lcdrepair.us/1800inverterKUBNKM045A.html

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Posted on May 13, 2010

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1 Answer

Does ultrasharp's 1800fp monitors have built-in speakers?


No built in speakers. There is a sound bar that you can get the attaches to the bottom of the screen to add speaers to the unit but it is sold separately.

Sep 26, 2012 | Dell UltraSharp 1800FP 18.1" LCD Flat...

1 Answer

With VGA input the screen randomly flashes on and off


power control chip of the VGA input screen is not controling the input settings

Jun 29, 2009 | Dell UltraSharp 1800FP 18.1" LCD Flat...

1 Answer

Led flashing no picture


disconnect the signal cable from the computer. if it shows color bars, it means your monitor is ok and your video card is faulty. if it still does the same thing. you need to reseat the video card if its not integrated.

hope this helps.

Apr 09, 2009 | Dell 1800FP Monitor

1 Answer

Dell ultrasharp blinks on and off


It could be a setting problem, power saver setting, or a mode that the monitor does not really support - things like refresh rate - or actual hardware.

Easiest way is to borrow another like monitor, and say another video cord and see if the problem remains, or if a newer monitor says 'out of range' or similar.

Then, if you have a fancy video card,remove it and use something primitive. Not reading instructions is a big cause.

If its not a setting issue, and as the inverter board is ok; if the above description is correct, reseat the inner board connecting cables.(wood fires and seaside locations) If not that, a lucky guess might be the electros on the logic board.

Aug 20, 2008 | Dell UltraSharp 1800FP 18.1" LCD Flat...

1 Answer

My dell ultrasharp 1800fp monitor keeps flashing on and off, its not a power problem as the power button stays on and when i disconnect the the monitor cable from my pc the no signal message stays on the...


Inside there is a IC chip on the power pack that goes bad, replacement is called for also look for bad capacitors when you are inside looking around, those need to be replaced as well
hope this clears things up. dells third party who built these units did a rotten job on this model. that chip always fails.

Aug 19, 2008 | Dell UltraSharp 1800FP 18.1" LCD Flat...

1 Answer

Dell 1800FP has slight yellow cast


Your Display cable (inside your monitor) needs to be replaced. (Or reseated)

I would look on ebay to try and find the part and then take it to a local tech to replace it for you as I would not recommend anyone take apart a monitor (LCD OR CRT) if you had never done so before.

Mar 04, 2008 | Dell UltraSharp 1800FP 18.1" LCD Flat...

1 Answer

Dell 1800FP


What's wrong with your monitor?

Feb 10, 2008 | Dell UltraSharp 1800FP 18.1" LCD Flat...

1 Answer

Dell UltraSharp 1800FP - display leak - blue craziness


That one is going to take component level troubleshooting. It could be the power suply, but I might first suspect the video board.

Jan 02, 2007 | Dell UltraSharp 1800FP 18.1" LCD Flat...

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