Windows 7 Audio Lost After Resuming From Sleep Mode

1. Update Audio Drivers:​

• Outdated or incompatible audio drivers can often cause audio issues. Try updating your audio drivers to the latest versions provided by your computer manufacturer or the audio device manufacturer.

  2. Power Management Settings:​

• Check the power settings related to the audio devices. Sometimes, the system can power down audio devices to save power. Disable any power-saving settings that could be affecting your audio devices.

  3. Windows Audio Service:​

• Sometimes the Windows Audio service can encounter issues. You can restart the Windows Audio service by:
  • Press Win + R to open the Run dialog.
  • Type services.msc and press Enter.
  • Locate Windows Audio service.
  • Right-click and select Restart.

    4. Disable Fast Startup:​

  []Windows 7 has a Fast Startup feature that can cause issues with the audio hardware initialization. To disable Fast Startup:
  • Go to Control Panel > Power Options.
  • Click on Choose what the power buttons do on the left.
  • Click on Change settings that are currently unavailable.
  • Uncheck Turn on fast startup (recommended) under Shutdown settings.

    5. Adjust Sleep Settings:​

  []Try adjusting your computer's sleep settings to see if different sleep modes have an impact on the audio. You can change the sleep settings in Control Panel > Power Options.

  6. Reset Audio Components:​

• Sometimes resetting audio components can help. You can do this by:
  • Right-clicking on the Volume icon in the system tray.
  • Select Playback devices.
  • Right-click on your audio device and choose Properties.
  • Go to the Advanced tab and select Restore Defaults. After trying these steps, check to see if the issue persists. If the problem continues, it may be beneficial to seek further assistance from technical support or a professional to diagnose the root cause of the audio problem.