FBukovina wrote:
Thanks.
It didn’t solve it :(.
—You can try a SafeBoot Start up your Mac in safe mode - Apple Support will sort many anomalies
— You can reinstall the macOS on top of your existing mcOS
How to reinstall macOS - Apple Support
—You can try revive or restore
How to revive or restore Mac firmware - Apple Support
In or out of warranty you can get a free over the counter 'Apple Service Diagnostics' test /assessment
Make an appointment for a "hardware issue"
Genius Bar Reservation and Apple Support Options - Apple
Outside the USA
Contact Apple for support and service - Apple Support
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.
Contact Apple for support and service - Apple Support