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I have a ViewSonic VA903b monitor. As of last month the monitor started showing distorted picture (like bands of interference) during the first few seconds after being swithed on. Now, while the computer is booting, the display suddenly goes black and stays that way. Sometimes I can get the display back by pressing the power button to turn it off and again to turn the monitor on. But this does not always work. Any help would be greatly appreciated.

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Look for bad caps as shown in my albums here just like the rest of failed VIEWSONIC.
http://s807.photobucket.com/albums/yy352/budm/Viewsonic%20VA903B/

Failed TV and monitors: 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 29, 2010

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Posted on Jan 02, 2017

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Just to be sure I owuld try it with another PC first.
It can also be in the monitor due to bad caps as shown in my pictures here:
http://s807.photobucket.com/albums/yy352/budm/Viewsonic%20VA903B/

Basic LCD monitor and TV troubleshooting guide:
http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://www.fixya.com/support/r7406380-tv_training_manuals
Failed TV and Monitors: http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitors kit: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you.

Or www.digikey.com just make sure to use caps with low ESR, 105c, high ripple current, long life rating such as PANASONIC FM or FC series.
Please leave rating if it helps.

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Edwards-Walnut
381 Brea Canyon Road
Walnut, CA 91789

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