i was editing a footage in my 20" intel-based imac and the screen suddenly... became all wrong... nothing as working so i just restarted it, hoping it would be fixed on startup, but it wasn't... i don't know how to explain, and i coudn't find anything like this in the forum...i'm attaching a picture of the "OS X is starting up" screen 'cause i can't explain what's on the screen:radioacti i don't know if it's a OS X issue or it's the hardware, but i really need help...