Fix For Mobile (Mass Media/Storage Mode): • First Check out Your sd card no password on your Card • Use Pc suite mode (for fixing this problem) • Now • Goto Device Manager • Disable that Installed Driver Now again Enable it • Now Restart Your Phone And Pc. • Connect our mobile to USB’s port • Now it prompt n installation proceed Fix For USB Not Recognized: • Firstly Check whether Your USB port is Disabled by System or not. • Link: http://computerfunz.blogspot.com/2011/05/how-to-enable-or-disable-usb-port.html • Now Follow this Steps • Goto Device Manager or • Start • RUN type Devmgmt.msc • Now you have to search for USB Controller Hub or Universal Serial Bus controllers • Now click Properties. • Now Click on Power Management tab • >Allow the computer to turn off this device to save power >click OK. • Now Hit > Scan for hardware changes. >Now it Start Detecting New Drivers for USB.