Okay so I went to turn on my Powerbook G4 (Aluminum 1.67GHz Low Res) today and when I plugged it in, I noticied a kind of crackling or popping noise. I unplugged the power adapter and tried again. I knew that my battery was dying before this (could only get about 30 min on a charge). But now I cannot start my Powerbook. Whenever I plug in my power adaptor, there is no green/orange light. However, when I take the battery out, I hear the Powerbook trying to start up (hard drive spin). But then there is nothing but my fans on full blast! They will not stop and there is nothing on the screen. I left it there for a good 5 min and nothing changed! I NEED THIS COMPUTER TO WORK PLEASE HELP!!!!!!!!!!!