I bought my computer (asus g75vw) for about 3 or 4 months, and I have already sent it to asus team here in my country for repair. However ththere was no errors found in the computer.

What happens its that it is appearing stripes and circles on the screen, mainly in dark colors and in gradients that i make in photoshop or any other program.

I know that this computer is made for gamers, but it's so strange why this happens, because 2 friends of mine have the same computer with the same configuration and this not happen with them.

I already tried to uninstall the software and this still remains.

Any help please?