cable matters usb to hdmi not working mac

The antennas for Wi-Fi and Bluetooth are located there, and USB 3 devices placed there might interfere with your wireless connections. If your USB device has a cable long enough that you can move the device, place it away from your Mac-and make sure not to place it behind your Mac, or near the hinge of its display.Some USB 3 devices can generate radio frequency interference that can cause Wi-Fi and Bluetooth devices operating in the 2.4GHz band to have issues communicating with your computer. Why do I have difficulty with Wi-Fi or Bluetooth devices when USB 3 devices are attached to my computer? USB C to HDMI Cable 5.9ft, CHOE USB Type C to HDMI Cable (Thunderbolt 3 Compatible) 4K 30Hz HDMI Cable for Galaxy S8, 2016 MacBook Pro,2015 MacBook, ChromeBook Pixel (Not for 2017 MacBook Pro/iMac) USB Type C (USB-C & Thunderbolt 3 Port Compatible) to DisplayPort 4K 60Hz Adapter in Black (Incompatible with 2017 iMac & MacBook) The Apple USB-C to HDMI multi-AV adapter is flaky at best. Does anyone know what is different with the 2017 model USB-C ports? We've yet to find a reliable cable or adapter to connect to external monitors. For example, some USB-C to HDMI cables and some USB-C to DisplayPort adapters from various manufacturers are stating they are compatible with 2015/2016, but not 2017 MacBook Pro/iMac models.

Many of the 3rd party cable and adapter suppliers are putting compatibility warnings for their products pertaining to the 2017 Mac computers. There appears to be a difference in the 2017 MacBook Pro and 2017 iMac USB-C ports.

Cable matters usb to hdmi not working mac