Could easily be an intermittent hardware failure. I fixed a 17" PowerBook once that had this same problem; every few weeks, BlueTooth would disappear. I replaced this tiny little bluetooth board, and that fixed it. If it happens repeatedly, give Apple a call. "Dr. Trevor J. Hutley" <hutley at geneva-link.ch> writes: > I restarted my Powerbook 2 more times, and now BlueTooth has > reappeared.... ! in all the correct places. > The Firmware update will now run. > This seems very strange that the hardware can disappear from > everywhere, yet be restored simply by repeated restarts. > It feels very un-Mac-like to me !