Windows often gets confused when you have multiple audio outputs (e.g., Realtek, HDMI, Bluetooth).
If the sound worked yesterday but not today, and you cannot fix the driver, revert your system.
If the driver is corrupted, reinstalling it is the most reliable fix.
If you have completed all 10 steps and still have no sound from the Esaudriver device:
Before diving into drivers, check the physical setup:
If ESAUDRIVER fails:
