I had to have the motherboard replaced in my G5 1.8 single processor machine a few months ago. Since then, it doesn't show the serial number in the Apple Profiler anymore, either. I called Apple about that and the support person on the phone said there is nothing that can be done about that. Is that accurate? On Nov 26, 2004, at 8:40 AM, Phillip Burk wrote: > > On Nov 26, 2004, at 2:06 AM, Kirk McElhearn wrote: > >> Because I have a very close friend who is a developer with Apple that >>> has a G5 tower with no serial number returned. His machine is >>> refurbed >>> so I expect that either the EEPROM has been flashed empty or the >>> number >>> wasn't flashed in. >>