Question about ViewSonic Graphic VG2021m LCD Monitor

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Viewsonic VG2021m Image Vanishes on Start Up

Powering on Viewsonic monitor VG2021m the Windows desktop image displays momentarily before the screen goes blank. During this time, the Power-On button (LED) remains solid blue (normal condition). Is this likely power supply board problem or lamp problem? How I can I distinguih the cause?
Thanks,
Gary

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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 few 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.

Take care.

Posted on May 07, 2010

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The intermittent image, dark picture or no power are all indications of a failing power supply. If you can solder you should be able to repair your monitor. We have an article posted on our web site at: http://www.ccl-la.com/blog/index.php/repairing-the-westinghouse-lcm-20v5/ The post is about repairing the Westinghouse LCM-20V5 but they both use the same power supply board, the Delta DAC-12M033 so the information is the same. If you don't want to do the repair yourself we do offer a repair service for this model for $32 plus return shipping. More information on this service can be found here. http://www.ccl-la.com/blog/index.php/service-request-form/

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http://s807.photobucket.com/albums/yy352/budm/Viewsonic%20VG2021/

Failed TV and Monitors: http://s807.photobucket.com/home/budm/allalbums
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Hi!
there are possible reasons why your monitor shows nothing on your screen...

First, you need to check if the power cable of your monitor is well connected to a wall socket or AVR (and that you are sure there is supply output current on the AVR or in the wall outlet)

IF found that power cable is fix and secure... my suggestion is you bring the monitor to a credible technician...Because the possible reason why only black is seen on your screen, is because the backlight inverter could be busted already.. the backlight inverter which is located on the upper and lower back edge of the monitor is the light source responsible for giving image display of your lcd monitor.. Another reason could be is a deffective high voltage ballast transformer which is responsible for generating high votlage supply for the backlight....

It is too risky for you to do the repair by yourself without proper knowledge and right tools to do this.. So don't waste time consult a technician and or possible avail of the warranty if there is any...

Hope it is clear now to you..


Much appreciated if you rate this help.. thanks..

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