Question about ViewSonic VA903B Monitor

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Viewsonic VA903b Flashing green light (slow)

I'm on my secong viewsonic monitor. The 1st one completely died, no green light, nothing. The second, a VA903b is starting to act up now. The green light flashes slowly and the monitor is black. If I push the button nu,erous times the picture eventually comes in. When I lauch a game now, the monitor goes black for a few seconds and then comes back on. Seems like a refresh rate problem? I run it at its native res. Any ideas? I think this will be last Viewsonic....2 monitors in 3 years.....

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Hi..there,
It's seems you got a busted backlight inverter problems... Need replaced with a new one. Happy Holidays!

Posted on Dec 16, 2008

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Posted on Jan 02, 2017

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How do I get the driver for a ViewSonic VA903b computer monitor using Windows 7?


Go to the viewsonic.com website to check for a driver. You may try another driver or the unsigned one. If that does not work, please contact ViewSonic technical support for assistance.

May 03, 2014 | ViewSonic VA903B Monitor

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My VA903b monitor is not working properly, when i turn it on, vertical or horizontal lines come down the screen and after a few seconds it goes to sleep (light turns orange). The light will occasionally...


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.

Jan 05, 2011 | ViewSonic VA903B Monitor

1 Answer

When i turn it on the screen lights up and is


More likely to be bad capacitors (bulging/leaking) in the power supply/inverter board just like these Viewsonic here: http://s807.photobucket.com/home/budm/allalbums
Please post back what you find so we can guide you furher and will also help other poeple.

Apr 06, 2010 | ViewSonic VA903B Monitor

1 Answer

The screen is to bright and wont darken enough


It is likely the video card on the actual unit. If it is under warranty they will likely have you ship it back to them for either 1) repair or 2)replacement

Edwards-Walnut
381 Brea Canyon Road
Walnut, CA 91789

Apr 05, 2009 | ViewSonic VA903B Monitor

1 Answer

ViewSonic va903b problem


Hi...there,
Well, it's seems you got a busted backlight inverter. If you still under warranty send it back for replacement of a new inverter.
Happy Holidays!

Dec 15, 2008 | ViewSonic VA903B Monitor

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