If you're having issues with the Phone Link app on Windows 10 displaying a completely black dialog box when it's launched this may be because you've resumed your laptop from a hibernated state. Try restarting your laptop and you should be able to connect to your phone afterward... If you're having issues with the Phone Link app on Windows 10 displaying a completely black dialog box when it's launched this may be because you've resumed your laptop from a hibernated state. Try restarting your laptop and you should be able to connect to your phone afterward...