This is what I read on Garmin's site

https://support.garmin.com/support/searchSupport/case.faces?caseId={e1d0c6c0-52e2-11e4-ef05-000000000000**


I haven't tried connecting to a computer yet because I don't have Windows at home. Will try at work and see how it goes but as of now there are no rides logged on my Garmin any more so I'm guessing I can't recover anything.