@harrisehsan don't replace anything yet until you have at least had a chance to take a look at it. Use this guide [guide|148905] to get to the boards. Then post some well-focused pictures of everything with your Question. That way we can see what you see and hopefully assist you further. [guide|21499|Adding images to an existing question - iFixit Repair Guide|new_window=true]
I expect this to be an issue with the power supply.