Originally Posted by AndroiderMax
Instead of looking for complicated troubleshooting solutions, which takes alot of time and most part dont work, and lots of pains in the a**.....DO THIS (eureka, i discovered this because my battery was dieing, and phone went off):
-unplug your device USB cable
-Swith your PHONE off
-Swith your PHONE on
- Plug it back.
Works for me every time kies goes crazy, and also works no matter what windows version you got.
It worked, great. My galaxy s2 has been fine for the 6 months that i have owned it then suddenly this issue.
Oh, I also had to remove the battery to turn off properly.