The cable connection between my Lumia (Windows Phone 7) and Zune PC software does not work

  1. Restart your computer and the phone.
  2. Make sure that your computer is not behind a firewall or on a corporate network to complete next steps.
  3. Check that you have the latest updates installed on your computer, use your computer's Internet Explorer and go to
  4. Disconnect your phone and other USB devices connected to your computer.
  5. Make sure that your phone has enough battery power and then switch off the phone. Connect a compatible USB cable first to the phone and then to the computer end. If the connection was successful, the phone vibrates and Zune starts.
  6. Enter your phone's lock screen password if prompted, then you should be able to see your phone in Zune.
  7. If your computer can detect your phone but cannot load the driver, check to see that your phone is listed under Portable devices in your computer’s Device Manager (Press the Start button, type Device Manager and press enter).
  8. If Windows Device Manager indicates a device problem, that hardware will be marked with a yellow exclamation mark (!) to help you identify it. Refer to Microsoft's support wizard on this subject at