Question about Dell UltraSharp 1905FP LCD Monitor

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I have a dell moniter 1905fp and it is flash the main screen. any suggestions

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Had the same problem on my Dell E178FP and I made a video on how I fixed it.

Posted on Dec 15, 2015

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I think the monitor may be bad but try this for me. Try another known good working monitor on the computer. If the computer boot up into windows without all the flashing going on then that means your original dell monitor is bad.

If your known working monitor flashes as well then that means your video card is bad and would need to be replaced.

Posted on Jun 20, 2009

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2 Answers

The screen flashes on my Dell 1905FP Monitor, Is there a fix?


Hello,

This is a common indication of bad filter capacitors on the power supply board. Below is a picture of the power supply board with the problem capacitors circled in yellow. The repair is easy, you just need to replace those capacitors and the unit should be as good as new. Below the picture is also a link to a full repair guide showing how to dis-assemble the monitor and what parts need to be replaced. the repair guide has a full parts list for the job.


9_24_2012_10_46_26_pm.jpg

The repair guide can be found here:http://www.ccl-la.com/blog/index.php/repairing-a-dell-1905fp-1907fp-lcd-monitor/

Mar 26, 2010 | Dell UltraSharp 1905FP 19" LCD Monitor

1 Answer

I have this dell 1905fp LCD since new and last week it won't power on any more.This LCD is very sharp and clear. Please send me any repair ideal Thanks


Hi There, it may be that your graphics card has gotten knocked out of it's slot. I had the same problem. I bumped the graphics card, got knocked out of the slot, and screen wouldn't show desktop. Try opening the PC and look at the graphics card to see if all the pins are connected.

Jan 18, 2010 | Dell UltraSharp 1905FP LCD Monitor

1 Answer

I have dell 1905FP monitor and the main menu keeps popping up on & off continually...


lindy3456, A technician will need to look at it!!! Whenever very strange things start happening that YOU know should not be occuring on the screen of your LCD display, you can most likely blame it on the "switch-mode-power-supply" being the culprit!!! Whenever contacting fixya for help, you should ALWAYS include some prior history of the monitor, such as approx total "ON" hours unit has seen during it's life, and the warranty status (in/out) If monitor can be moved to another KNOWN GOOD pc you should try that, to see if it still operates the same or does it suddenly "get well" when connected to different PC. What happens when you conncet a good monitor to your PC? Still work OK? Well, anyway it still seems to me that the SMPS is failing and will eventually not "start-up" one day soon. lmistyrel @aim.com Contact me if still not sure of how to deal with this DELL 1905FP unit. You can also read some of my other stuff in my fixya profile under 12fixlouie aka louie12fix here on fixya. Also FYI you may want to visit www.ccl-la.com/badcaps.htm , and www.lcdparts.net and www.badcaps.net to find out the #1 cause of LCD MONITOR problems and what some owners do to fix them. You should also visit YOUTUBE and view some video clips under "LCD monitor repair" and "LCD monitor disassembly" to understand more fully what is REALLY inside your monitor and makes your screen nice and bright!!! If this was of any interest to you ,please rate this on fixya. Bye for now.

Dec 02, 2009 | Dell UltraSharp 1905FP LCD Monitor

1 Answer

I have a Dell Ultrasharp 1907FPV, it's a few years old. Whenever I start my computer, the moniter stays dark and the green power button does these quick flickers. Eash flicker cycle takes less then a...


You don't have a short-circuit. That would have blown the protections or even the monitor. Refer to the manual, that flashing light may be a code that tells you the problem. I don't think the repair would be expensive...

Nov 29, 2009 | Dell UltraSharp 1905FP 19" LCD Monitor

1 Answer

I can't turn on the sound. It is not muted. When I press the leftmost button at the bottom right of the moniter, the audio tab is greyed out.


Possibly greyed out as it is not receiving audio input. Make sure the "audio in" cable is attached
to both the monitor and your "audio out" (green) port in back of computer.

Jul 08, 2009 | Dell UltraSharp 1905FP 19" LCD Monitor

1 Answer

How do you replace a power supply unit in a 1905fp Dell Moniter?


Here is a link to a full repair guide that shows how to open the unit remove the power supply and what components to replace to repair the board. Repairing the board is much cheaper than getting a new board. Below is also a picture of the board with the problem capacitors circled in yellow, these parts are the most common problem with the board.



http://www.ccl-la.com/blog/index.php/repairing-a-dell-1905fp-1907fp-lcd-monitor/
9_24_2012_11_31_58_pm.jpg

Jun 26, 2009 | Dell UltraSharp 1905FP LCD Monitor

2 Answers

My dell 1905FP power button flashes green and will not turn off, the screen is black.


Hello,

This is a common indication of a failure in the power supply. There are parts called capacitors that are used in the filter section of the power supply, when they go out the power supply can't properly turn on so you get no picture and a flashing power light. Here is a picture of the power supply board with the problem filter capacitors circled in yellow and below the picture in a link to a repair guide with details dis-assemble and repair instruction along with parts list for the Dell 1905FP and 1907FP models.


9_24_2012_11_00_25_pm.jpg

http://www.ccl-la.com/blog/index.php/repairing-a-dell-1905fp-1907fp-lcd-monitor/

Mar 25, 2009 | Dell UltraSharp 1905FP LCD Monitor

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