So ive googled this extensively and have not found a solution that actually works, and I've been on the phone with apple so I'm trying my luck here... I have a mid 2008 MBP 2.5ghz with 4 gb ram. After pressing power, the follow applies: 1. The lid light turns on and reacts to the lid being opened or closed. 2. The screen is black and does NOT reach the first chime. 3. I can hear the DVD drive spin like once and then cut off. I have tried resetting smc and pram to no avail. It did randomly turn on and lasted for about an hour, but when I accidentally closed the screen it died again and is back in this same state... I'm willing to go get it serviced but not if there is a solution that someone knows about.