Question about ViewSonic VG900b 19" LCD Monitor

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Viewsonic vg900b turns on, and turns off after 1 second

My monitor turns on for exactly one second, shows the screen that is from my computer (HP windows home edition), and then shuts off. I have tried to attach it to a sony notepad, and the same problem occurs. Please help!

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Check Monitor Power settings using Buttons on the Monitor and correct Sleep time or frequency

Posted on Sep 08, 2009

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Bad board inside do to heat clean your new one more offen. replace monitor.

Posted on Sep 08, 2009

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We have a Viewsonic VG900b monitor that recently just started to show some very strange problems. First the colors have all gone dark, as if someone had turned down the Brightness all the way. I can still...


Check the two insertion ends of the power cable and ensure that they are well fitted in. Check your area power voltage range and ensure that the monitor complies with specification.

Make sure you are using the right and GOOD power cable.

Lastly, Unplug from the monitor from the system and allow to cool for a good 3 hours or better still, disengage it from duty for 1 day and start using it the next day.

Do you have enough ventillation there?


Don't forget to rate me and get back to me if this helps. Tnx.

Jan 10, 2011 | ViewSonic VG900b 19" LCD Monitor

1 Answer

What does it mean when the ViewSonic VG900b light turns from green to yellow?


It can mean it is not getting the video signal from the video card, bad VGA cable, or it is in safety shutdown mode. Try it with another PC first. If it still does not work then you will need to troubelshoot it. Read my guides and see the picturesd of failed VIEWSONIC and all other brands mostly due to bad caps.

Basic LCD monitor troubleshooting guide:

http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

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.
Please post back what you find.

Oct 25, 2010 | ViewSonic VG900b 19" LCD Monitor

1 Answer

Monitor displays then shuts off


Have you verified the video card in the computer with a different monitor? Does the going to sleep message come up prior th the monitor going dark? The bulbs are ok since you do see a picture for a short time. The voltage swing you see on the power supply is too large. It should always be 12 v + or- 10%.

Mar 28, 2017 | ViewSonic VG900b 19" LCD Monitor

1 Answer

After 5 minutes monitor screen dims--can faintly see the windows screen and then it flickers out and there is nothing. Any ideas?


the monitor may be going into power save mode which it should come out of when you press a key or move the mouse but it sounds like you have tube inverter issues. Your screen has light tubes behind it to illuminate the screen, if the tubes or the inverter develop a fault, then a very dark screen can result as the tubes are turned off. There may also be an ambient light sensor which will darken the screen in low ambient light. If the sensor is faulty, darkened screens will result. If the inverter is failing, you may be able to replace it, contact viewsonic. if the tubes are failing, replace the panel or the entire monitor. If the ambient light sensor is faulty, replace the panel or entire monitor as the sensor is part of the display panel.

Nov 02, 2009 | ViewSonic VG900b 19" LCD Monitor

1 Answer

The screen goes blank after 5 seconds


Make sure you have the correct drivers install for you video card. Also, check to make sure your resolution is not set to high for you video card. To get to resolution; right click on Desktop > click Properties > press Settings Tab, from there you can move the slider to change your screen resolution (try different resolutions until it doesn't shut off anymore).

Let me know.

Jul 09, 2009 | ViewSonic VG900b 19" LCD Monitor

1 Answer

LCD show right picture for 1 second when I turn on, then go black


you need to read the monitor manual . other wise you can contract the dealer.

Jan 21, 2009 | Computers & Internet

2 Answers

Monitor turns on and off


Is it an HP or a Viewsonic screen ?

Either way, looks like a power supply problem to me, some Viewsonic screens are known to have a problem with their inner power supply card, If your screen is still under warranty I suggest you don't lose time analysing the problem and just make them come and fix/replace it

Nov 06, 2008 | ViewSonic VE710b 17" Flat Panel LCD...

1 Answer

Monitor problem - Dark colors, slow screen refresh


It sounds to me like the picture tube in the monitor is going out. I began to wonder if it was your video card until you mentioned that you used it with various computers. This tells me it's the monitor itself. Unfortunetly, I think your monitor may be due for retirement.

Oct 22, 2008 | ViewSonic VG900b 19" LCD Monitor

1 Answer

Viewsonic VG 900 displays briefly, then goes blank


What Usually causes these to go on and off quickly is one af a couple things.

Usually it is the powerboard not putting out enough power to run the video board and the inverter.

Sometimes it is the actual inverter board. I have seen a plain small fuse stop these cold.

Rarely, but it could be a bad bulb in the screen. Bad bulbs usually start dark in the middle, or they start off pink. They can also flicker while they are on.

If you can take it apart and have a dc tester, the problem may be able to be found.
I repair some viewsonics , mostly VXs series, but I have done a couple of these.

bammbammfran

Oct 11, 2008 | ViewSonic VG900b (Black) (10 Pack) Monitor

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