Originally Posted by TheoW
I unplugged my USB cord , Shut down my phone and turned it back on again and then plugged my USB cord back in and all of a sudden my USB mass storage option was there in the notification tray. I had done those steps a few times earlier with no results but all of a sudden its working now, not to sure what to make of this.
yes, this is now the situation (I tried again after reading your post)
so I now have USB mass storage on win7