Question about ViewSonic VA721 17" LCD Monitor

5 Answers

Monitor stays dim

Our monitor would stay dim for a few minutes after turning it on. It would become bright after it "warmed up". Eventually, it would stay dim for hours and now it is always stays dim. The monitor is not only constantly dim but is getting darker and darker. It is now to the point that we can barley see any imagaes. We purchase it 18 months ago. Anybody know what the issue is and whether it is repairable? Thanks in advance!

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  • Anonymous Dec 18, 2007

    Viewsonic VA721, 15 inch : My problem sounds like it is in the backlight tubes. When first turned on everything works fine. After using the monitor for a while I shut everything down. If I want to turn things back on soon after shutting down the monitor comes on very dim and after a few seconds goes black. After waiting about 10 or 15 minutes I turn it on again and it work fine. Does this sound like a heat problem?

  • md215 Jun 02, 2008

    Have a Dell Optiplex 755. Purchased the video card for the Max Display MD-215. One monitor works fine but the image on the secon monitor is dim and nothing we do will brighten the image. Suggestions.



    Also, we can not locate a workinig phone number for Max Displays.

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Chances are it's not the actual CFL back-light bulbs themselves, but the back-light inverter board. If it was the bulbs you would have not had the "warm up and it get bright" issue. The board IS replaceable, (as well as the bulbs) ViewSonic charges about $36.00 USD for the board when they have them in stock. (out of stock as of yesterday 11/14/2006) It should be covered under warranty if you got longer than one year. (I know the warranty was only one year on MY VA800 but I have seen longer offered since i got mine) Good Luck I hope this helps! El Duderino

Posted on Nov 15, 2006

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I'm no expert, but I do know thatvthis is caused by a bad backlight, which is a tiny little fluorescent tube in one edge of the moniter, it provides the light to see the image from your computer. It is repairable, but as a practical matter, for what moniters cost versus the cost of repair, usually you are better off getting a new one.

Posted on Nov 15, 2006

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Where is the fluorescent bulb on the monitor located?

Posted on Jul 12, 2009

In this dell monitor it is normal for the monitor to be dim at first turn on until it gets warmed up.

Posted on Dec 08, 2007

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It does sound like you have a bad backlight. This monitor has a 3 year warranty on the backlight, if you are the original purchaser, contact viewsonic for repairs. If you are not the original purchaser, you can repair it yourself for less than $50 by replacing the backlights.

Posted on Dec 11, 2006

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