no sound

Hard to say if there is a hardware issue; you may try and see (could require more

than one/two attempts to test) ~ if a reset of NVRAM would affect a change here.

• Reset NVRAM or PRAM on your Mac - Apple Support

https://support.apple.com/en-us/HT204063

{..The use of these keyboard commands on restart can be a little problematic at times..}

PS: there were no replies here when mine was begun.

try

SMC reset      https://support.apple.com/en-us/HT201295

Zap pram   https://support.apple.com/en-us/HT204063

Yes, it does help to have 'internal speakers' checked in Sys Prefs.

Unless one also has external speakers attached ~ on purpose.

Thank you for the clarification and response.!🌞

Thank you for solutions and response.

Best Regards

Beylikdüzü Macbook Servisi