Question about Vizio L37 Television

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Vizio LCD Green Pixels

Hello there...hopefully you can help. I have a 6 month old Vizio VW37L TV and recently the dark brown colors displayed on screen are outlined in bright green pixels. Very annoying. This seems to come and go and is mostly noticed when watching TV, not movies through the HDMI. Vizio customer support just suggested resetting the TV settings. Already did that. Any ideas?

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  • jcardett Oct 15, 2008

    I have green and purple pixels which progressively gets worse as the tv warms up. It becomes unwatchable.

  • mpmolteni Dec 28, 2008

    I have the same issue with green pixels randomly appearing along the outlines of shapes and in the black border of the lcd screen. I am taking mine back to Costco (purchased it about 45 days ago). It has to be a defective display if you ask me. (Vizio model VO42L)

  • Anonymous Jan 19, 2009

    I have the same problem. I called Vizio a couple months ago. They said it was a known power issue and to just unplug the t.v. and then plug it in again. That worked for a while, but they're back, now in purple in green. The Vizio customer service person told me (after 30 minutes) to take a photo of the screen and email it to

  • alecoz Jan 25, 2009

    I have bright green pixels on all the dark colors, especially on black. I have a Vizio VX37L, a year old. I suspect a power problem, how to fix it???

  • Anonymous Mar 11, 2009

    I have the same problem with the 40 inch. Green pixels in all black areas and it is progressively getting worse. Called Costco concierge service and the repair guy says a bad motherboard and video card that they will replace. Vizio is getting many of these calls.

  • Tinman19 Apr 10, 2009

    I have the exact same problem. I have a 47" SV470XVT1A. I'm not sure if anyone is familiar with adobe photoshop, but it reminds me of the mask feature which highlights a similar color in a photo so you can alter just that selection. In the case of the vizio, there is a green pixely mask that glows and crawls over the dark images on my screen. I have a repair guy coming on Tuesday. Vizio seems to be familiar with the problem.

  • Tinman19 Apr 10, 2009

    I have the same problem. I have a 47" Vizio SV470XVT1A. It reminds me of the mask feature of a photo editing program. Where you click on a spot in a photo and simiar areas/colors in the photo all start glowing in a pixely way. Same thing on the Vizio. It glows and crawls on the screen in a green mask on all of the dark colored images on the screen.

  • tuttlet May 07, 2009

    Ours just started doing the same thing (47"HDTV) on the dark colors. Second TV, the first had 2 gray lines that rolled up the screen. When this one goes back I will get another brand.

  • Anonymous Mar 16, 2014

    Just noticed having green snow on tv while watching. I reset the settings as suggested but still not clearing up!


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Our Vizio started doing the same thing after only three weeks, except it was also showing green pixel when we watched DVDs.  After checking this site and others and trying all the "tweaking" advised, I finally called Vizio's customer support.  They were extremely polite and tried to help over the phone, but had to send someone to the house to make the repair (anything 40 inches or larger earns a house call). The tech arrived on time and was extremely professional and pleasant -- he had to replace the daughter board and LVDS cables.  So far, so good.  

Posted on Jun 29, 2009

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I don't know if this will work for everyone with this issue, or even if it will work for me in the long run, but I seem to have resolved the issue (for now anyway) by taking the back off of mine and reseating all of the connections. Mind you, I don't have a warranty with mine as I bought it from a private party.

If you do this, do disconnect the power and A/V connections before you take the back off the set. Also, it's a good time to blow out any dust build up.

On another note, the pixeling effect is known as graphical artifacting, and can be caused by a faulty component or by heat. My set does get kinda warm, so I have moved it to a well ventilated location. So far so good!

James O'Brien

Posted on Oct 05, 2009

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Call tech support and send it back to them. it is a defective tv. im having the same issues

Posted on Apr 09, 2008

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