My nav 2100 was on then just went off,now it wont
The first thing to check is the power adapter output. It may be plugged in but still not putting out any voltage. Use a multimeter set to DC volts and check for a reading of 5volts. Another thing to try is take the unit inside by your computer and use the sync cable that came with it to connect to the PC, this cable will also charge the unit. If the charge light comes on then try powering it up after a few minutes. If both of these don't solve the problem then the next thing to check is the power plug in the GPS unit. You will need to pop the back of of the unit and make sure it is still soldered to the board, if not then you will have to resolder it or get someone to repair it for you. If you need it serviced for this type of problem we offer a repair service for your unit.
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on Jan 21, 2017