Question about Dell UltraSharp 1905FP LCD Monitor

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Hi, I need to fix my dell ultrasharp monitor. It just went blank on me. Its a power issue

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  • akiran47 Feb 16, 2010

    Thank you very much.

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  • Dell Master
  • 13,433 Answers

Hello if your monitor no longer turns on, the issue is most of the time the powersupply, you will eiter have to replace the powersupply or get it repaired. if you have knowledge about electronics and you know how to get the set apart without ruining it, inspect the power board visually, check for any bulky capasitors, if you suspect even a little that a capasitor might be bulky or in other words the surface is not completely flat, then replace it with a new one matching the rating. It might be best that you either take the display to a repairer, or take the powersupply to a repairer. ofcourse the issue can in some cases be something else than the powersupply, possibly the small mainboard of the display might be bad, or the backlight of the display might have gone out.

Posted on Feb 08, 2010

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1 Answer

Monitor power problem


Hi ,

Kindly check when the display cable is removed from the system and monitor powered on do you get any "Out of Sync Error". Then the monitor is fine and issue with the system or Display card. Check if your system boots and also unscrew the system and clean the Display card and re-insert. If its an on board card then just do a preventive maintenance of your system as it can happen due to loose connections also.
Regards.

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Self test failed means Monitor is bad.

Check input settings, whether DVI mode is selected.

Dell Monitor has 3 year warranty by default, Contact Dell Techncial support

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Dell LCD power up issue


Hi,

I suggets you try your Monitor with another pc and see if its behaving the same if the same then the monitor is bad
Now if there is change ie its showing on the other PC then your pc VGA card is faulty or is not seated correctly on its slot pls check this,
Also swap VGA cards this how you will know its status .

Last get another VGA card


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My DELL flatcreen just went blank and is now flashing yellow light, won't turn on


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1 Answer

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I suspect the invertor supplying power to the Xenon backlight tubes has failed.
This can be reapired but may not be cost effective.
Ask for a quote from your local computer specialist but keep in mind the cost of a new monitor.

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1 Answer

Blank screen


Hi,
Disconnect the monitor , from the computer, switch the monitor on , if you have some kind of Dell self test box running on the screen. The monitor is OK . The problem can be with the video card or resolution settings.

Also, try connectin the old monitor you had hooked up with the system to check ,if you see anything

Thanks
proton

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Please disconnect the Monitor Data cable from Computer.
If you see Dell Colored bars, it means, monitor is working fine,
If still black, please ask for replacement, since Monitors have 3 years of warranty if not purchased with the computer.

Now connect the cable back to computer and turn the computer off by holding the power button on computer and turn it back on...

Blinking Green shows that computer is in sleep mode......

Hope this should resolve the issue.

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2 Answers

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Hi this is the way how to examine what's wrong with your LCD monitors. Power on both CPU and monitor. After it went blank, you have to check that you can see the image on the 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 or any image, there will be a minor problem. Like mine, I can see window image using flashlight and check lamps inside. Some of them were broken and it is very easy to replace. If you cannot see anything on the screen, there'll be 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 burn 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.
Thank you,
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well friend if the fuse is the problem, you will not see any power light indicator. probably theres a problem in power supply circuits or most probably the horizontal deflection circuits. which includes the horizontal oscillator, horizontal drive, horizontal output and maybe the flyback itself. but if you dont know anything about this, better bring it to a qualified tv technician. good luck!

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