Camera

Reset SMC and NVRAM (if applicable).

How to reset the SMC of your Mac - Apple Support

Reset NVRAM or PRAM on your Mac - Apple Support

Try booting to Safe Mode. That boot up takes minutes and clears caches and other things that may resolve your problem.

How to use safe mode on your Mac - Apple Support

A lot of times just boot to Safe Mode followed by normal boot resolves problems.

That could be a coincidence.

Get expert service and support at the Genius Bar.

👉🏼 Call 1-800-MY-APPLE or get help here. 