Powerbook G4 Intermittent Start Up Issues

Afternoon Everyone,

I have a Powerbook G4 1.67ghz 15". Unfortunatly I am having issues we startup on the machine as of late.

I would press the power button receive the Start Up Chime as normal but where I would normally see the screen pop up the Apple Logo I just get a unlite screen.

I can here that the Laptop is doing something in the background by the HDD Noise, I havent attached it to a External monitor as of yet, But was wondering if you had any ideas?

Thanks,

Johnson1983