# 4. Mac M4 display connection options

<span dir="ltr">Apple has changed the Thunderbolt on the M4 Macs and it seems that is not 100% Thunderbolt backwards compatible, causing many devices to not work as they did with previous Apple Silicon Macs.</span>

<p class="callout info"><span dir="ltr">The MP Controller's display does not receive a video signal when using Thunderbolt USB-C on the M4 as it did on previous Apple Silicon Macs.</span></p>

<span dir="ltr">You should use an HDMI connection for video signal and USB-C (USB-C or USB-A if using a docking station) for the touch data and for providing power to the display. </span>

> <span dir="ltr">Y</span><span dir="ltr">ou can optionally (recommended on Model 2A) also use the additional power port using a wall adapter to provide power to the display so that it draws less power from your Mac.</span>

If you need an additional HDMI ports you can use a USB-C docking station like <u>**[these](https://www.amazon.com/s?k=USB-c+docking+station)** </u>offered on Amazon.