Asus ET2221IUTH - Manual (Page 28)

English
28 All-in-One PC ET22 Series
2. Right-click the Volume Mixer icon on the Windows® taskbar and
click Playback devices.
3. From the Playback screen, select Digital Audio
(HDMI).
4. Click Configure and the Speaker Setup window pops
up.
5. Select Stereo and click Next.
6. Tick the Front left and right option, and click Next.
7. Click
Finish to exit the speaker setup.