Touchbar gone dark on MacBook Pro (Intel chip, Ventura 13.4.1)
Resetting the SMC solved my Touch Bar issue on my MacBook Pro, which had gone completely dark. Reset the SMC of your Mac - Apple Support
(on this version - hold down 4 keys at the same time: SHIFT, CONTROL, OPTION + POWER.
See My Touch Bar is not responding to touch. … - Apple Community
MacBook Pro (M1, 2020)