[FIXED, see bottom]
Tried to update from 1.04 with my Win7 x64 computer, and it started out OK.
However, it got stuck at 000%, and the PC software threw an error at me. So I tried again but the same thing happened.
I closed and started the PC software (gym trainer) again, but now my bike computer is totally dead. It won't display anything. I have tried the PWR + OK + DOWN combination, and just the power button but nothing seems to get any life in it. It will not turn on if I plug in the USB cable either.
Just for the record: I have tried many different USB ports, and I have rebooted my computer. The battery was 100%, and I have also tried to reinstall the USB drivers. I even have an Intel computer...
Any help please?
The issue is now resolved. Was in contact with GS-Sport Support. And the key combination I had to press to get back to flash mode was POWER + ARROW UP + ARROW DOWN.
The unit did go right into flash mode, and I was able to flash 2.0 without any issues.