Time change bug striking again? If it's not starting at all, you could try doing the "master" reset as detailed at
https://www.gpsnation.com/support/gps-factory-rese... - I had to do this a few times with mine.
Don't think so. Dealt with that one in Parry Sound. It's just been having some issues with not booting up, or else taking more than 10 minutes to do so.
It behaved just fine this morning... I don't know what's up with it really.