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

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Monitor just stopped working

It was working perfect then in the middle of a game it just failed. No LED lights. No power. We checked the power cables and it works.

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  • Anonymous Jan 03, 2008

    Same...was working when I went to bed...nothing at all when I awoke. Tried new power outlet, reboot of pc, and checked all connections...it appears to have died and it is barely 1 1/2 years old. Any hope?!

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  • 138 Answers

Ok I got the same problem. And this is the way how to examine where the problem is. You have to check that you can see the image on screen by shining a flashlight into the screen, not directly but find the best angle to the screen and take a look very closely. If you can see the icons (Power on both cpu and monitor), there will be a minor problem. Like me, I can see window image using flashlight and check lamps inside. Some of them were broken. If you cannot see any icon on the screen. I would say that there are some problems with inverter board. If you have soldering tool and want to fix it by yourself, check the caps first. It may cause this problem. Some caps might show leaking or dark spot on the board because of too high temp. If you don't have soldering tool, you better go get a technician to do so.

Posted on Feb 07, 2008

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Monitor wont turn on help


Hello there, first thing you should do is to check the power cable.You can do that by changing it with PC power supply cable .It is the same. If it turns to be OK then disconnect the VGA cable from monitor and then try to power monitor on.There should be an activity on front power LED. If the power LED is not showing any light at all, then do not go further the unit is not working .Else the power led should blink a couple of times then a window pop up scrolling on the lcd saying :" no video signal" so the unit is OK ..Hope this helps. Cheers.

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I turn on my pc it work but no picture appear in the monitor


that mean one of three<br /> <br /> 1- see small square in the middle of the monitor mean data cable is damaged<br /> <br /> 2- monitor led didn't light mean power cable is damaged or monitor <br /> <br /> 3- vga socket in motherboard is damged <br /> <br /> best regards

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The computer works fine...the screen does not show anything


that mean one of three

1- see small square in the middle of the monitor mean data cable is damaged

2- monitor led didn't light mean power cable is damaged or monitor

3- vga socket in motherboard is damged

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1) If the monitor has a removable monitor cable, and you have a Known to be good one to use for a test unit, try it. If it isn't removable, try another Known to be good working monitor.

2) If the monitor cable, and the monitor proves to be good, the next thing to suspect would be bad graphics.
Bad Integrated graphics on the motherboard, or if a graphics card is used, a bad graphics card.

3) I suspect it is a bad Power Supply. An issue that comes up so much, that I would skip 1 and 2 above, and check the Power Supply.

A) ALL of the LED lights, mumba_mwaba, use less than 1 Watt of power when in use.

B) EACH fan uses 2 to 3 Watts.

C) A typical Processor can use 51 to 125 Watts. Depends on what Processor it is.
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Enough power to light LED lights, and spin fans, (Or spin a few times and stop), but Not enough power to turn the Processor on.

This is why you may see LED lights lit, and fans spinning, but the computer isn't working.
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No Signal.

Do you have a KNOWN to be good, compatible Power Supply to use for a test unit?
May sound far fetched, but perhaps there is someone who has upgraded to a better computer, and has a computer they're not using, and you could borrow the Power Supply for a test unit.

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