what if my hp notebook is incompetent to turn on its monitor when booting... the model is dv2000?

Answer:

If you seize no screen, your backlight have gone out and brightness is turned down to where u cant even see the shaky image (which is immensely common surrounded by laptops). Or the LCD just go bad, or the LCD cable could be not seated properly.. Either passageway your probably going to be screwed..
That means its time to consult your notebook trader
there might be a problem beside the connector.it might either be loose or tattered.so u need someone to enjoy a look at it.i can do it myself but i dont think am anywhere close to you.i longing i was