If you have a Microsoft 4K Wireless Display Adapter, here are some other things to try: If you’ve plugged the adapter into the HDMI port at an angle, this can cause issues with the video quality. If you don’t have enough room to plug the adapter into the HDMI port on your second display, use the HDMI extension cable that was included in the box your adapter came in. Common household electronics like these can cause radio frequency interference that may disrupt the connection between your device and the adapter. Move the adapter away from microwave ovens, cordless phones, or baby monitors. For best performance, your device should be within 23 feet (7 m) of your second display.

If you notice pixelation in the video or if the audio stutters, try the following: