This is on an Early 2011 Macbook Pro 17" with i7 2.2ghz and the Intel + Radeon HD6750: 

[![image](https://i.stack.imgur.com/ONRHT.jpg)](https://i.stack.imgur.com/ONRHT.jpg)

If it is a screen error then I don't mind fixing it myself, but if the GPU is the problem, I'm worried I might have to buy a new logic board assuming I can't use the GPU.