Follow these steps to ensure your navigation system and software are current: Download Garmin Express Go to the official Garmin Express download page and install the application on your computer. Connect the Device

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Faulty USB connections are a surprisingly common cause of device detection problems. Even if your computer makes a sound when the device is connected, data transfer may be inconsistent. Try using a different USB port (preferably a USB 2.0 port directly on the computer's motherboard, rather than a hub), and ensure you are using a high-quality USB cable.