Thus, you cannot simply download the first driver you find on a sketchy forum. Success requires a targeted approach.
: Visit the Acer Drivers and Manuals page. Enter your SNID or model name. If a Windows 10 driver is unavailable, the Windows 8.1 version often works.
: Locate the driver file you downloaded and run it. This usually installs the base audio driver (Realtek or Conexant).