I just finished chatting with Erica from Garmin Support Centre. The chat took less than 10 minutes and resulted in them sending me a refurbished watch, and I'll send in the defective one when I receive…
Mine wouldn't charge at ALL. I did your trick thinking it wouldn't work as there was no power left but it worked. Thank you!
Sorry, This post was a while ago but mine is the same, chages from PC but not wall adapter. Did you have the repair done and if so what was the fault? Thanks.