my onn led LE24g90 tv is stuck on white sreen warrenty lost can i fix this?

It has been doing this since almost a week brand new I got it to work last month for a wopping 15 mins and that was after 10 or more mins of white sceen with sound. I feel as tho I have been ripped off. Does any one know what the problem is and have a solution please help manufacturer is impossible to get ahold of lol wonder why selling garbage tv`s for good money

Evan
June 2012