So apparently my powerbook got unplugged sometime today while I was at school, and as a result when i got home the battery was completely dead. So I forced it to fully shut down, then started it up. However, when I did this, just before it began the regular startup process for about half a second the image of a folder with a question mark flashed on the screen. This was the same image that came on the screen when I had whiped my hard drive then accidentally started up without holding "c", so it kinda scares me. Was this just a random occurance, or is it a sign that my hard drive is dying and I should start backing up my files speedy-like?