Troubleshooting Guide (Step-by-Step)

If your desktop computer has no sound, it may be caused by simple settings, driver issues, or hardware problems. Follow the step-by-step troubleshooting guide below to identify and fix the issue.

1. Check Speaker Connections

First ensure the speakers are properly connected.

Steps:

1. Make sure the speaker power is ON.

2. Check the audio cable connected to the Green port on the desktop.

3. Ensure speakers are plugged into power outlet.

4. Try connecting the speaker to another device to test.

2. Check Volume Settings

Sometimes the system volume may be muted.

Steps:

1. Click the speaker icon on the taskbar.

2. Ensure Mute is OFF.

3. Increase the volume level.

4. Check application volume settings.

3. Select the Correct Audio Device

Windows may select the wrong playback device.

Steps:

1. Right-click the sound icon in the taskbar.

2. Click Sound Settings.

3. Under Output Device, select your Speakers / Realtek Audio.

4. Test the sound.

4. Restart Windows Audio Service

Sometimes the audio service may stop running.

Steps:

1. Press Windows + R.

2. Type services.msc and press Enter.

3. Find Windows Audio service.

4. Right-click → Restart.

5. Update or Reinstall Audio Driver

Outdated or corrupted drivers can cause sound issues.

Steps:

1. Right-click This PC → Manage.

2. Open Device Manager.

3. Expand Sound, Video and Game Controllers.

4. Right-click the audio driver → Update Driver.

5. If not fixed, Uninstall Driver and restart the computer.

6. Check Audio Ports

A faulty port may cause no sound.

Steps:

1. Try connecting speakers to front audio port.

2. Try rear audio port.

3. Test with headphones.

7. Run Windows Troubleshooter

Windows includes a built-in audio troubleshooter.

Steps:

1. Go to Settings.

2. Click System → Troubleshoot → Other troubleshooters.

3. Run Playing Audio Troubleshooter.

8. Check BIOS Audio Settings

If sound is disabled in BIOS, Windows will not detect audio hardware.

Steps:

1. Restart the computer.

2. Enter BIOS Setup.

3. Ensure Onboard Audio / HD Audio Controller is Enabled.

9. Test with Different Speakers or Headphones

If none of the above steps work:

• Test using another speaker

• Test using headphones

This helps determine if the issue is hardware related.