GPS Repair Problems? Ask a GPS Technician for Answers ASAP
Hi there and welcome
Can you tell me please the make and model of your GPS unit?
ok, to do updates you need to use the program Garmin Express on your computer.
Download and install it from my link below please.
Once installed, open it, connect the Nuvi to the computers USB port and via the program you perform the updates.
Let me know please how you go