Usually happens after flashing a firmware/recovery for the wrong model of S3, if screen is still not working in recovery then you'll need a new screen assembly as the digitizer in the old one is blown.
Note: This quote doesn't automatically apply to everyone, decide for yourself if it might apply to you.
Originally Posted by justruss
What has this place become?
It's essentially a few people graciously answering the same repeating of immature, lazy, demanding questions from the masses.
Nobody searches. Nobody reads the first posts or titles of threads. Nobody even looks at posts a couple above their own.