Long story short, my computer was knocked over by my daughter, and now wont load. When I power up it chimes and goes to a white screen, then shows a blue screen with a smiling file in the center. I tried reloading the start up disks, but there is no destination drive to choose from. Also there's a wierd clicking noise after the chime when the hard drive starts spinning. Is there anything else that would cause this problem, or is it just the hard drive?