I have a Windows 10 laptop I have been able to mirror to a Roku 3 device but will not final connect to a Roku Streambar. I have been able to cast to the Streambar but no luck mirroring. So my question is whether the Streambar device supports Windows 10 and/or Miracast. Has anyone successfully mirrored from Windows 10 device onto the Streambar? If so, were there any hoops to jump through?
I have the same problem. There is a page from Microsoft, but their fix doesn't work. Come on ROKU!!! Help us out here.