I just got two micro sd cards, I wrote latest jessy raspbian on the first, then pluged it into the Pi, it was good until I unplug it from the Pi, then trying to open it again on my PC, the PC could not detect it (windows, ubuntu, and my android phone none of them detected the card) I then resigned to the fact that the card may be just dead. and tryed with the 2nd sd card, same thing happened.
And when I plug back the cards on the raspberry, raspberry does not boot.
So, what do you think about that. Any idea about how can I fix my cards or how can I run latest jessy and be able to unplug the card and use it somewhere else. I am affraid to try other cards, because it might just happen again (if it happens twice I don't see why it won't happen the third time)
I noticed this behavior: When I open device managment,and then plug the card it shows as USB mass storage for few seconds then disappears. same on disk management
Thanks a lot for your help