touchbar turn off extensions

What happens if you reset settings to the default?

I haven't customized Touch Bar on this Mac.

System Preferences > Keyboard > Keyboard > Touch Bar Shows

https://support.apple.com/guide/mac-help/customize-the-touch-bar-mchl5a63b060/11.0/mac/11.0

printPlus28 wrote:

I can't use my Touch Bar, Extension preferences is only options showing.

What do mean by "Extension preferences" only (?)

If your Touch bar is not working as expected—

Try resetting the SMC https://support.apple.com/en-us/HT201295

if no resolve—

Try resetting NVRAM/PRAM http://support.apple.com/kb/ht1379

>System Preferences > Keyboard >> Keyboard

make some changes

Use the Touch Bar on Mac - Apple Support

If no resolve to your problem

Make an appointment for a hardware issue:

Call Customer Support (800) MY–APPLE (800–692–7753)

or on line https://getsupport.apple.com/

or call AppleCare Support at 1-800-APLCARE (800-275-2273)

Outside the USA—Contact Apple for support and service by phone

See a list of Apple phone numbers around the world.

https://support.apple.com/en-us/HT201232