I have a LG model 42LB9RTB and today the screen is almos green

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Black square on the screen Vizio Gallevia 47" 1080p - Fixya

www.fixya.com/support/t355299-black_square_screen_vizio_gallevia_47

Jan 16, 2008 - Black square sized app. 10"x10" pops up on the bottom right corner of the screen and won't go away. .... Model 42LG70. Why is nothing on screen except for horizontal green and pink pixel line? I am looking at replacing the ...

bad screens display vertical lines with a white background ...

https://www.ifixit.com/.../bad+screens+display+vertical+lines+with+...

iFixitJun 17, 2014 - I am now replacing a screen on a different G2 and I am on the secondscreen. ... A touchscreen smartphone made by LG Released: 09/2013 Model: VS980..... on the rigth side, from the top to the botton has 6/7 black lines.Missing: 42lg70 ‎pixel

Broken LG LCD TV Capacitor Black Screen My Wont Turn ...

? 6:27
https://www.youtube.com/watch?v=EbGiXqBAvvo
Aug 25, 2010 - Uploaded by FixItUrselfDummy
Broken LG LCD TV Capacitor Black Screen My Wont Turn On ...How I fixed my LG TV, Won't turn on or show picture Model: LG42LC7D ...Missing: horizontal ‎pink ‎pixel ‎line

something burned means do not plug back in etc--consider getting an estimate for repair--not a do it yourself thing.

Call LG for warrenty service,the tv Tuner board have problems.Must be replaced to solved this problems.

hi,your camera needs a servise , its a lance problem just open your camera and remove the lance assembly and servise it properly , otherewise contact authorised person,

This is a dead pixel. This pixel represents one liquid crystal which is failing for some reason.

There is no way to repair liquid crystals.

If you purchased the TV new today, return it and get a new one. If it is still under warranty, then do a warranty return.

Per Vizio's webite( linked below), as long as you purchased the unit from an authorized Vizio dealer you have a one year warranty. You would need to contact vision to determine if the problem is a warranty type issue.

http://www.vizio.com/support.aspx?id=1588

Never had that model but had other similar models do that when dust shorted out the High Voltage section.
I suggest clean it out with a gentle vacuum and an upholstery attachment. First check to see if set is under warranty.
Unless you are checked-out with high voltages suggest have a qualified tech test and do this for you.

contact the NY Service Center for Westinghouse. web is www.asnyonine.com

 I heard that Best Buy is still selling these models despite this known problem- I am trying to have mione fixed but was told the replacement part is on back order until DECEMBER!