i have a compaq-armada 7800 laptop(quite old) and it had win 98. later,i installed win 2000 but still while it starts,it asks which OS i want to use. the win 2000 went quite well for a while but now whenever i try to turn on my PC, the "windows starting up" message is diplayed and when it displays the blue screen with the mouse,it just gets stuck like that forever.pls help, thanx.