Question about HP L1902 19" LCD Monitor

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When monitor is switched on,it displays in a second and goes blank

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Look for bad caps, same as other failed monitors as shown in my albums here:
http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Posted on Aug 23, 2010

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Posted on Jan 02, 2017

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1 Answer

Why does screen go black after a few seconds


Hope this helps.... Your monitor has an inverter issue. You know it's an inverter problem when:
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2. Then it suddenly goes off, leaving a blank (black) screen or a very dim display.

To fix this black screen problem, change the inverter board (based on your monitor brand).
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Hello,

It is the picture picture board on your monitor that is malfunctioning, since the power led or button is on, but the display screen goes blank after a fraction of seconds, it means the picture board of your monitor has developed fault.

The best thing for you to do now is to take the monitor to a local repairer within your vicinity or any service center to help with the replacement of the picture board because the fault is not something you can fix yourself, in order not to complicate issues.

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I have had my monitor for almost a year now. I comes on , displays image for 1 second and then goes blank, but it is still on power blue light is on. if i switch off and on it does the same thing. if i...


lumixgx, All you need to do is read my fixya profile for about an hour!! You will then know all you need to know about why your unit's "switch-mode-power-supply" /"CCFL inverter supply" circuit NEEDS SOME WORK DONE on it to fix it!!! Good luck with the repair. 12fixlouie

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It switches on for just a second and then the screen stays blank


yetimonsta, Are you sure that the monitor is BLANK?? Or is it just BLACK? Or is it both BLANK and BLACK? Connect a known good monitor to your pc to prove that your pc is working correctly. What does your L90D+ do when connected to good pc. Have you done the flashlight test to evaluate the state of the "switch-mode-power-supply" when lcd panel goes black /blank?? View more of my profile on fixya and you will discover all the options you have open to you. 12fixlouie

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1 Answer

Screen Goes Blank


Ive seen this on other monitors. Look for a 1 and 2. Some monitors do NOT auto detect a signal, and this one might not. Look for a way to set the monitor from Digital input to VGA input. Try that and see.

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Screen goes blank after a few seconds


Hi ,
The monitor flicker problem. The monitor when turn on will display image for couple of second then turn black. The monitor status led is still green. This will happen each time it is turn on. The symptom at appear to come from the inverter board.

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1 Answer

My monitor goes blank repeatedly


1. First u can check any dry points in power supply board and controlling circuit.
2. check all connectors (connected properly)
3.To replace front pannle Micro switches.

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1 Answer

LCD monitor goes blank


It appears that the display resolution set in your display properties is out of the range that the LCD can display.

Try this.

Boot to the ENABLE VGA MODE by pressing F8 to get the Windows Boot Menu. If you can get to the desktop, then go to display properties, and see if you can change the resolution to higher settings and maintain video. (If the video blanks out, then it should revert to the previous setting in 15 seconds)

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