tring to find advice on a proscan P32108?

my proscan p32108 turned off without warning. I cannot get it to turn on. It's as though there is no electricity being sent into the unit. I checked the plug, I turned it off for several days and have attempted locating information on the web. non has worked. can someone tell me what might be the problem and if any suggestions, about how much your solution might cost? thanks for your help