On 15-12-2009 11:16, Robert Walker, ffalcon1 at zoominternet.net, wrote: > My G4 APG will restart on its own after the shutdown command. Any > suggestions as to a cause/cure would be greatly appreciated. Are there any extern devices connected and not unpowered before shutting down the Mac? I have this sometimes when I use a powered USB-hub and forget to unpower it before shutting down the Mac. It happens here with 3 different G4's: a AGP/400, a DA/466 and a QS/800/'02. All 3 the G4's have a PCI USB-2 4-slot card where the the hub is connected to when in use. HTH, Jo Hissel