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

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Dell fp monitor

My dell 1800fp monitor blinks in and out for 10 to 15min. before it get a good picture

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  • Anonymous Apr 29, 2008

    My Dell ultra sharp 1800fp does the exact same thing (blinks constantly). The problem seems to go away after 15 - 20 min. and then the screen looks fine. I get the same results on 2 different computers; windows xp - and osx.

    Any thoughts?



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Posted on Mar 21, 2008


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Dell Monitor Model 1800 FP. Won't turn on when plugged in to electrical outlet. I have three of these monitors that have this same problem.

This is a know problem due to shorted out IC in the primary side of the switching power supply module, you can get new supply or the repair kit on EBAY.

Basic LCD monitor and TV troubleshooting guide:
Failed TV and Monitors pictures:

Learn about bad caps:

Capacitors kit: he can make you a set of caps for you.

Or just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.

Aug 31, 2011 | Dell Computers & Internet

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My dell monitor model #1800fp diplay is elongated for all pictures I display on the screen. How do I correct this

should be on the menu on front of monitor ,,with options to change that,,and check control panel on cpu,,make sure its set rght,,for widescreen or regular

Nov 03, 2010 | 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

1800FP image distorted

this is a little known porblem Dell has. Dell is not tell anybody.
I don't know if this is going to fix the monitor for the long haul, but it should help in the mean time.
grable the frame of monitor with both hands, apply some pressure, not too much (you will break the glass). change location and do the same thing. the screen will come back at certain location, when you apply the pressure to the frame. this is because some connection inside of the frame is coming loose with time.

good luck
if that doesn't fix the proble, please post.

Oct 17, 2008 | Dell UltraSharp 1800FP 18.1" LCD Flat...

1 Answer

1800FP Dell Monitor Light continuously blinks no picture

I have made a solution to this and it can be found on my website here:
Hope this helps.

Sep 28, 2008 | Dell UltraSharp 1800FP 18.1" LCD Flat...

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...

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