in arcmap 10.1 when I click identify to get a set of longitude and latitude coordinates from a map my identify box comes up and tells me that they are in unknown units and I cant pull down the menu to switch them to decimal degrees or degree, minute, seconds like I use to. this all started after I had my motherboard replaced and when I got it back ArcGIS wont let me change the identify coordinates it says unknown units but I can tell tht the units are in northing and eastings, how do I change them to decimal degrees?
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