I've checked thoshiba's web, dynabook web and microsoft audio troubleshoot guide. I've searched the web and found people with the same problem but no solution. I know is a bad idea to use 3rd party driver installers, got that at mid-morning. I've been burning time with this problem my whole free day, I am actually desperate. Writing here is my last hope to find a solution. Hoping it was a speaker connection problem reinstallation of pcie drivers.
Manual installation of drivers from the realtek web (2017) and toshiba web(2015)
Deactivate and activate sound enhancements. All checks on volume, default device, silence mode, etc. Windows Recovery points (one just before the driver update and other two days ago) Tried fixes (will edit with the future ones): Laptop: Toshiba Satellite P50-B-10v (PSPNUE)
Problem: Since driver update with 'Iobit driver Booster' Laptop built-in speakers and headphone jack don't work but in the windows sound panel the device shows green waves (sound signal output)