Their is no troubleshoot from the Device manager and their are no driver software in the Samsung pc studio Disc that came with the mobile device, what a helpless situation, fortunately i had it installed properly in Winxp since i am on a dualboot, i am able to access the Samsung pc studio and all its feature, but i was wondering since i missed on Win7 , is their any other way to reinstall the drivers, uninstalling,disabling and didn't help too and their is no option to rollback since it did not install properly.