It seems you are encountering some issues with your D-Link dongle after upgrading to Windows 8.1. Here are some steps you can take to troubleshoot and potentially resolve the problem: 1. Check for Compatibility: - Ensure that the D-Link dongle is compatible with Windows 8.1. Check D-Link's official website for any updated drivers or software that specifically support Windows 8.1. 2. Reinstall Drivers: - Uninstall the D-Link Connection Manager, disconnect the dongle, and then reinstall the drivers and software following the installation instructions provided by D-Link. 3. USB Connection: - Try connecting the dongle to a different USB port on your computer. Sometimes USB connectivity issues can affect device recognition...