Sounds like a backlight is out. If its still under warranty, exchange it. First try unplugging it for two minutes to reset the t.v.
I am having the same exact problem as you are! I have unplugged the TV dozens of times for just minutes or even hours but it just keeps doing this.....If you figure out what the problem is please repost so I can know a price to fix this issue....Thanks so much ....
The red blinking light is a code for what the problem is. Watch exactally how many times it blinks and let me know. I will try to find out the code and repair procedure. Thanks
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Anyone find out a fix for this? Am having same problem with a 52lg50, screen just stays pure white, no on screen menu, or anything!
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