…all you have to do is open the Terminal app, which comes preinstalled on your Mac.

Origen 9 to 5 mac – How to fix and restart the Touch Bar when it stops working

You can find the Terminal app by searching for it with Spotlight or also in Finder > Applications > Utilities folder.

With the Terminal open, you must type the following commands:

sudo pkill TouchBarServer;

sudo killall “ControlStrip”;

You can either type them in or copy and paste both commands together. Press the Return key to continue. The result will be something like this:

…