A small circle has appeared under my Touch Bar glass

hm1uk wrote:

Opened my MacBook Pro this morning and I noticed a circle underneath my Touch Bar glass. Has anyone else had this before? Is it something I should be concerned about?

https://discussions.apple.com/content/attachment/9304996e-f5cf-4d22-8070-15bcaee0c31c

"Opened my MacBook Pro ..."

It begs the question what exact Macbook Pro?

Intel Mac—

Try resetting the SMC Reset the SMC of your Mac - Apple Support see the details.

Try resetting NVRAM/PRAM Reset NVRAM on your Mac - Apple Support

(get at least two-three rounds of the chimes when holding the NRAM Reset)

M1/M2 MBP—

try SafeBoot How to use safe mode on your Mac - Apple Support to sort anomalies.

if no resolve make changes to your settings and compare your results...

if in doubt use the search...>System Settings>

Customize the Touch Bar on Mac - Apple Support

Use the Touch Bar on Mac - Apple Support