Hello, My 12" 867Ghz, 40G, 786Ram powerbook stopped starting up. After over 5 faithful years it finally hit a snag. Upon start up, I have been getting a grey screen, the apple logo and the whirly startup thing for a few minutes then the screen would go very dark grey and I could still see the mouse for some reason. After repeated attempts to start up the computer and the same thing happening, I then attempted to reinstall by starting up while pressing c and the install disk. I got to the installer utility and proceeded to start installation, picking english, etc. I get through the introduction, read me, license portions of the install, then when I get to "select a destination" no disk appears to select. Does this indicate the hard-drive of my powerbook is broken and not the logic board? Any advice would be greatly appreciated. Thanks!