Touch Bar disappeared from my MacBook Pro

Hello again eric.van.melis,

Thanks for the update.

Let's follow the steps in this article to see if your Touch Bar starts back working:

How to use function keys on MacBook Pro with Touch Bar

If there's no change, the steps in this article could resolve your issue:

Reset NVRAM or PRAM on your Mac

If issue persists after following these steps, contact Apple Support:

Contact Apple for support and service - Apple Support

Hello eric.van.melis,

Welcome to Apple Support Communities! I understand your Touch Bar disappeared from your MacBook Pro. I'm happy to assist you with this.

Let's reset the SMC to see if it helps resolve your issue:

How to reset the System Management Controller (SMC) on your Mac - Apple Support

Also see if the Touch Bar controls appear in safe mode:

Use safe mode to isolate issues with your Mac - Apple Support

Best Regards.