Its a difficult case for me to describe since he only showed me photos as well... its one of those one-in-all equipments (hdd, monitor, etc in the same unit).

I've already suggested him to try connecting another monitor to check wheter its a problem of his display or something else. Though Im inclined to beleive its a video card failure.

A friend promised to give me a contact of a guy that repairs mac here in our town, so I think we'll be checking with him.

Still, thanks a lot for the suggestions David. I'll be sure to copy down the suggestion to tell the repairman.

I was seeing black here since I know nothing about mac, but my boss decided to ask me