Thanks.
Look for an item labeled Unknown Device or Navman under the "Other Devices" or "Universal Serial Bus controllers" section. It will likely have a yellow exclamation mark. Right-click the device and select Update Driver Software. Choose Browse my computer for driver software. driver navman f20 windows 7
Since Navman’s official site is defunct for this product, download the “Navman USB Driver for Windows 7” from a reputable driver archive (e.g., DriverGuide, GPSUnderground, or the Internet Archive). Look for a file typically named: Navman_USB_Driver_Win7.zip or SiRF_USB_Driver.zip . Thanks
Windows 7 should now install the driver. You may see a security warning about an “unsigned driver.” If so, select . driver navman f20 windows 7