You connect your laptop to your TV or monitor via HDMI and the picture looks crisp, but sound continues playing through tiny laptop speakers.
Why This Problem Happens
- Windows did not automatically switch default playback device to HDMI.
- Graphics driver HDMI audio driver component is missing.
Step-by-Step Troubleshooting Procedure
Step 1: Manually Select HDMI Output in Windows Sound Menu
Objective: Switch active playback route.
- Click the speaker icon in the bottom right taskbar.
- Click the sound output switch arrow (>), and select your TV/Monitor name from the list.
Step 2: Enable Disabled HDMI Devices in Sound Control Panel
Objective: Unhide deactivated audio endpoints.
- Press Windows Key + R, type mmsys.cpl and hit Enter.
- Right-click anywhere in the list and check both “Show Disabled Devices” and “Show Disconnected Devices”.
- Right-click your monitor > Enable > Set as Default Device.
Step 3: Reinstall Graphics Driver with Clean Audio Component
Objective: Restore digital audio driver.
- Run NVIDIA/AMD/Intel driver setup, choose Custom Installation, and ensure “HD Audio Driver” is checked.
Verified Troubleshooting Tips
- Ensure the TV volume is unmuted using the TV physical remote control, not just the computer volume.
Frequently Asked Questions
Do all HDMI cables carry audio?
Yes! All standard HDMI cables (v1.0 through v2.1) carry uncompressed multi-channel digital audio.