Hi my name is Josh
How long have you had this unit?
The reset button on your nuvi will switch the device off. The reset button can be used to switch your device off if the screen is frozen and you are unable to switch the device off by the power button.To reset a nuvi 200 series:
Now let's do a software update. If you haven't already, please download WebUpdater at this link. After the download, connect the unit to the computer and open WebUpdater. This program will update your software and maps. If those two do not help, let me know and we will try something else.