My portable GPS is not connected to the computer
GPS should be installed on the computer synchronization software. General portable will have a matching floppy disk can be installed in the computer, or you can go to their website to download and install the synchronization can be used.
Shut down the soft test some machines are to open the USB option on the machine some computers need to be connected to the back of the machine USBSome machine data matching is also a factor
Recommendations to the GPS and then connected to the computer, the reason is not to say.