Allgemeines zu Alexz » What are simple tips to update Garmin GPS unit?

From a long period, my Garmin GPS unit is not showing the right direction or signal, so I am not able to track the right routes comfortably. I have good experience of using all the functions of Garmin GPS unit, but unluckily, my Garmin GPS unit is not showing the right signal. Really, I am experiencing a lot of problems for updating Garmin GPS unit. I don’t have much experience on how to update Garmin GPS unit? It is very annoying for me, so I look for online expert help. Can anyone suggest the easy ways to update Garmin GPS unit?