How to Fix Windows 11 Audio Device Not Detected or Missing After Sleep Mode

Performance & Troubleshooting KB-1118

Summary

This guide helps you troubleshoot and resolve: How to Fix Windows 11 Audio Device Not Detected or Missing After Sleep Mode. Follow the steps below to fix the issue.

Quick Tip: Need immediate assistance? 💻 Open a Ticket

Common Causes

If your Windows 11 computer wakes from sleep and your speakers, headphones, or microphone are missing, the audio driver may not have reloaded correctly. This is a common issue caused by power-saving settings that disable the audio device to conserve energy. Follow the steps below to restore your sound.

Quick Fix Steps

Unplug and replug your audio device (headphones, speakers, or USB microphone).
Right-click the speaker icon in the taskbar and select Open volume mixer.
Check that the correct output device is selected in the dropdown menu at the top.
Restart your computer if the device still does not appear.

Detailed Instructions

1. Disable Audio Power Saving

Windows may turn off your audio device to save power. You can prevent this by adjusting the device settings.

Press Windows key + R to open the Run dialog.
Type devmgmt.msc and press Enter to open Device Manager.
Expand the Sound, video and game controllers section.
Right-click your audio device (for example, Realtek Audio or NVIDIA High Definition Audio) and select Properties.
Click the Power Management tab.
Uncheck Allow the computer to turn off this device to save power.
Click OK and restart your computer.

2. Restart the Windows Audio Service

If the audio service stops responding after sleep, restarting it can force Windows to rediscover your hardware.

Press Windows key + R, type services.msc, and press Enter.
Scroll down and locate Windows Audio in the list.
Right-click Windows Audio and select Restart.
Locate Windows Audio Endpoint Builder, right-click it, and select Restart.
Test your audio device.

3. Update Your Audio Driver

An outdated or corrupted driver is often the cause of missing devices after sleep mode.

Right-click the Start button and select Device Manager.
Expand Sound, video and game controllers.
Right-click your audio device and select Update driver.
Choose Search automatically for drivers.
If Windows finds an update, follow the prompts to install it and restart your computer.

Tip: If you use a USB headset or external sound card, try plugging it into a different USB port. Some USB ports are configured to power down during sleep mode and may not wake up correctly.

Warning: Avoid downloading drivers from third-party websites. Always use Device Manager or the manufacturer's official website to ensure you install a safe, compatible version for your hardware.

If you have followed these steps and your audio device is still not detected after sleep mode, please Open a Ticket and our Brisbane support team will assist you.

Still Having Issues?

Need more help? If the issue persists after trying these steps, please open a support ticket and our team will assist you.

💻 Open a Ticket