I have a 17" Powerbook G4 running 10.3.9...I've had it for a little over two years and it has worked great for me. About 6 months ago, however, my computer started doing funny things and I restarted it to see if that would fix things. When it restarted, I got the flashy question mark; my laptop was not recognizing the hard drive. The computer itself was VERY hot, and I could not get it to boot. After about 6 or 7 hours, I tried again and the computer started normally. After that, the computer would not recognize the hard drive any time i restarted it. The people in the apple store were no help and they told me to try reinstalling the operating system, "just in case." That fixed the problem and I didn't have to worry about the problem until today. I restarted my computer and alas, flashy question mark taunted me. I started the computer again holding the option key (as I had been taught 6 months ago), and still, no hard drive listed to boot from. I waited 6 hours, started the computer normally, backed up all my information on an external hard drive and proceeded to reinstall the operating system again. This time, though, I STILL get the flashy question mark. I can probably wait 6 more hours to start the dang thing, but I can't afford to have to go through this several times a week, and since I don't have a warranty, I can't afford the estimated 900 dollar repair cost. Is it time for a new laptop? Thanks for your help!