I've had my 733 G4 for 3 years now, and it's never given me any trouble until recently. One day, it just wouldn't wake from sleep mode anymore. I have to either press the reset button or unplug it. On top of that, when it's in sleep mode, the fans and hard drive are still spinning. I have a 733 Mhz G4 with 1.5 Gb of RAM and a 24 in studio display running OS 10.4.10. Any help, thoughts, etc. would be very much appreciated. I'm not even sure it's a problem with the hardware, but that's where I'm starting. Any redirection is welcome as well.