On Apr 29, 2008, at 4:46 PM, Michael Koch wrote: > I believe your mac will not start: because there is no monitor. > We had to get a 17" monitor to get the dual 500 to start - > it did nothing without the monitor connected. How did you tell that it was doing nothing without the monitor connected? There would have been no way to see anything unless you had that machine connected to another machine that had a monitor attached and the suspect machine was started in Target Mode. Your statement leaves a lot of explanation to be desired.