Garmin Forerunner 205 GPS Receiver "button won 39 stay pressed" Questions

...won't come on. If it does, once in a while, it stays on the first screen that says Garmin. I paid over $500 for this item and have only had it for 2 years. Is there some way to reset it? There is ...

...button it immediately turns itself on again, starts locating satelites then goes to the normal timing page, yet it won't start timing or do anything else when any of the buttons are pressed. It ...