1. Ouzzi's Avatar
    I've got a Lumia 820 running WP 8.1 Update with Black.

    After the update I can't seem to connect my phone to my computer anymore. When I do, the PC keeps making those sounds of a device being
    connected and disconnected. The phone at first would charge. Now it doesn't.

    I performed a hard reset, and the problem still exists.

    I've tried using different cables and I tried connecting my phone to my laptop and the exact same things are happening.

    Both my laptop and PC are running Windows 8.1 with Update 1.

    Update: I'm now getting an error when I connect my phone to my PC, it says:

    USB Device not recognized.
    The last USB device you connected to this computer malfunctioned, and Windows does not recognize it.
    Recommendation: Try reconnecting the device. If Windows still does not recognize it, your device may not be working properly.
    08-07-2014 04:09 AM
  2. Aviad Kohn's Avatar
    Try to reinstall nokia recovery software and it will install the latest drivers. Worked for me
    08-07-2014 07:29 AM

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