If you ever felt issue with sound cards on RealTek ALC236, this is partial solution.
- install and open ‘hdajackretask’
- change by overriding, ‘internal mic’ and ‘internal speaker’ to not connected (you will loose it. until you set it.)
- override the external aka, ‘black mic/speaker’ to ‘internal mic’ and ‘internal speaker’
- Now, just press ‘Install Boot override’ and restart.
- Lower speaker volume as you maybe running at 150% like me.
Your screen should looks like me,
Also work for #Lenovo-Laptops