My Samsung Galaxy S3 is not booting up, just shows a white screen when i plug in the charger

[AC Question]

Hey, i don't know what happened but my phone(Samsung Galaxy S3 GT-19300) is not booting up on battery but when i plug in a charger and try to power on it, a mysterious white screen come when i press Power,home and VOLUME UP buttons altogether. Can some on help me fixing it? I'm worried about my phone