Here is a requested file that seems to be lost on the site directory. I'm sure Iv'e posted this before but since it's nowhere to be found now, I am reposting it again.
This is the latest USB driver pack from samsung And I hope this will solve all your worries about not getting your phone recognized on your PC.
This is actually an alternative if you don't have samsung kies on your pc.
What you need to do to install:
1.uninstall previous drivers (control panel)
3.install new drivers
5.plug in your device and have fun!
For sure your device will be detected now!