Well, I think that I figured out the problem. I decided to buy a Nikon brand shutter release - MC-DC2. It did not work either. So, now I figure that the issue is a malfunctioning GPS port.In researching this issue, it seems as though it is a common occurance on D90's - more so from folks who actually use it for GPS devices.Has anyone had this problem? How did you resolve it? What did it cost? And has the new one been error free?Thanks,Marcus
MarcusCentral Oregon Nikonian
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