I have a hp zv5000 that a friend gave me. I don't know the history of this particular laptop. I recently bought a new battery for it so I could finally try it out. When I turn on the power, i can hear the hard drive start and the fan motor, but nothing else. The screen doesn't light up, i see no cursor on the screen, nothing! I connected another monitor to it and I get nothing there either. Can you give me any clue of what the problem MAY be. I don't have the cash to purchase anything else right now, but would this unit be worth having repaired (depending on the severity of the problem)???