>> If the screen is barely visible while you're running the hardware >> tests (or when you boot the install disk), you definitely have a >> hardware problem. Don't bother wiping your hard drive if this is > the case. > > > Well yes the screen is barely visible but everything passed the quick > hardware test and so far on the big test the mainboard and mass > storage has passed ? If the thorough test comes back as having > everything passed then what can I do to find the problem ? > Well, the hardware tests aren't completely comprehensive. But if you can't see the screen when booting from something else, something's definitely busted. Time to get it fixed...