If you have the drivers but the sound isn't working, try these steps: how to install sound drivers for acer? - Microsoft Learn
The most reliable source for drivers is the Official Acer Support Page . Acer hosts a dedicated database of verified drivers for all its series, including . Top Sources for Downloads:
: The essential "all-rounder" for standard audio playback and recording.
In the flickering neon glow of a basement lab, Elias stared at the error message that had haunted him for three days: “Output Device Not Found.”