solved: [https://github.com/michmich/magicmirror/wiki/configuring-the-raspberry-pi#enable-the-open-gl-driver-to-decrease-electrons-cpu-usage](link url) --> ```
As was mentioned in the forums you can also use the fake kms driver instead.
And add the following line to /boot/config.txt:
dtoverlay=vc4-fkms-v3d