When i try to turn on the tv it wont turn on, only a red and blue light will stay on in screen
Well without actually opening it up and determining where the problem is, it's unlikely you will get it to come back on. I suspect something wrong with the power supply but it could be something else also.
SOURCE: when i turn the tv on the light turns red rather than green when lite and the screen stays blank.
There is no power coming from the step down transformer
SOURCE: Proscan 32'' VGA port; TV says not supported on VGA input
Sounds like your resolution on your computer is set too high for your tv to accept. Try putting your computer resolution down to 1024x768 or lower and see if that works.
SOURCE: proscan model 19LA20QW
i had the same problem. i replaced the power supply and the tv worked great after that.
SOURCE: Proscan 40" LCD-Screen Freezes
They actually state that you have to unplug it and replug it in to fix this problem in the owners manual so it's not just a isolated issue. I to have this problem daily now and this is the 2nd set after returning the first one due to same reason.
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