Then connect your iPhone and PC with a USB cable and choose the USB connection on the MirrorTo. The HMDI cable length depends on how big your house is (the size/layout). Start MirrorTo, make your iOS device and computer in the same Wi-Fi network environment and select 'iOS'.Step 2 Connect your iOS device to the computer via a USB cable. Make sure the cable is long enough to connect easily with the media source. Set up the HDMI cable from both televisions. It seems like the Xfinity stream app does not support streaming of any video when connected directly to an external TV using a HDMI cable. To stream to two television screens using an HMDI cable, follow the steps below. Turn off screen mirroring to watch on this device, or you can watch on your TV if you have a Chromecast device.
Whatever your reason, the process is exceedingly simple and straightforward. Screen mirroring isn't currently supported.
You may want to mirror your screen to share documents, watch streaming TV, or just because you happen to have a Windows 10 PC and a Miracast receiver lying around and 5 minutes on your hands.