No Audio Output Device Is Installed in Windows 11? Fix It

The “No audio output device is installed” message in Windows 11 means the system cannot find a usable speaker, headphone, monitor, or other playback endpoint. Raising the volume will not solve it because Windows has nothing available to send the sound to.

The cause is usually a disabled device, a stopped audio service, or an audio driver that is missing or no longer loading. A Windows update can trigger the problem, but docks, HDMI connections, BIOS changes, and hardware faults can produce the same symptom.

I recommend checking what Windows can still detect before reinstalling anything. That one check determines which repair is most likely to work and helps you avoid replacing a healthy driver.

First, Identify What Windows Can Still See

Open Settings > System > Sound and look under Output. Then right-click Start, select Device Manager, and inspect these sections:

• Audio inputs and outputs
• Sound, video and game controllers
• System devices, especially entries containing Smart Sound Technology, Audio Controller, or High Definition Audio Controller
• Other devices, where unsupported hardware may appear as an unknown device

Use the result to choose your next step:

Illustrative Windows 11 view showing the missing-output-device state.

Select the Correct Output When One Is Listed

The red X on the speaker icon does not always mean that every audio device is gone. Windows may have switched to a monitor, dock, television, Bluetooth headset, or disconnected USB device.

1. Press Windows + A to open Quick Settings.
2. Select the arrow beside the volume slider.
3. Choose your built-in speakers or connected headphones.
4. Play a short video or use the Test button under Settings > System > Sound.

Disconnect a dock, HDMI cable, USB headset, or Bluetooth device temporarily if the wrong output keeps returning. Reconnect one device at a time after the built-in speakers work.

This page targets the situation where Windows lists no usable output at all. When the device is visible and ordinary system audio works, but a recording application remains silent, use the separate guide for desktop audio not working in OBS Studio.

Refresh Hardware Detection

A failed wake from sleep, incomplete update, or dock reconnection can leave Windows with an outdated hardware list. Refresh that list before changing drivers.

1. Right-click Start and open Device Manager.
2. Select View > Show hidden devices.
3. Expand Audio inputs and outputs and Sound, video and game controllers.
4. Select Action > Scan for hardware changes.
5. Restart the computer if the audio device returns but remains unavailable.

Microsoft recommends showing hidden devices and scanning for hardware changes when an audio output device is not detected. Its current missing audio-device guidance also advises checking whether the device is disabled before replacing the driver.

The audio endpoint and its controller can appear in different Device Manager sections.

Enable a Disabled Audio Device

Right-click the speaker, Realtek device, USB audio device, or display-audio entry in Device Manager. Select Enable device when that option appears. Seeing Disable device instead means it is already enabled.

Also check the classic playback-device panel:

1. Press Windows + R.
2. Enter mmsys.cpl and select OK.
3. Open the Playback tab.
4. Right-click an empty part of the device list.
5. Enable Show Disabled Devices and Show Disconnected Devices.
6. Right-click the correct speakers and select Enable.
7. Choose Set as Default Device when available.

A disconnected HDMI output should not be made the default when you want sound from the laptop speakers. Device names matter more than their position in the list.

Run the Windows 11 Audio Troubleshooter

Windows 11 now routes its automated audio diagnostics through the Get Help app.

1. Open Settings > System > Troubleshoot > Other troubleshooters.
2. Find Audio and select Run.
3. Choose the affected output device when prompted.
4. Apply only the suggested change that matches the device you are trying to restore.

You can also open Get Help, search for audio troubleshooter, and follow its diagnostic prompts. Run the troubleshooter while the speakers, headset, or monitor you want to use is connected.

The tool can restart services or correct a configuration problem. It cannot install a manufacturer-specific controller driver that Windows does not recognize, so continue with the checks below if Device Manager is still empty.

Restart the Services That Create Audio Endpoints

An installed driver can appear unusable when the Windows audio services are stopped or stuck.

1. Press Windows + R, enter services.msc, and select OK.
2. Find Windows Audio.
3. Right-click it and select Restart.
4. Restart Windows Audio Endpoint Builder.
5. Confirm that Remote Procedure Call (RPC) is running.

Windows Audio and Windows Audio Endpoint Builder should normally use their default automatic startup behavior. Do not disable RPC or change its sign-in settings. Restarting the services is enough for this test.

Return to Settings > System > Sound. A device that appears immediately after the restart points to a service or endpoint-registration problem rather than failed speakers.

Repair the Driver According to What Changed

Driver repair is not one universal step. Use the route that matches the timing and Device Manager state.

Roll Back the Driver After a Recent Update

Choose this route when sound worked before Windows Update or a driver installation.

1. Open Device Manager.
2. Expand Sound, video and game controllers.
3. Right-click the affected device and select Properties.
4. Open the Driver tab.
5. Select Roll Back Driver, choose a reason, and confirm.
6. Restart Windows.

A grayed-out Roll Back Driver button means Windows does not have an earlier package stored for that device. Move to the OEM-driver method instead.

Reinstall a Device That Has an Error

Use this route when the audio device is present but has a warning symbol, a Code 10 or Code 28 message, or repeatedly disappears.

1. Right-click the audio device in Device Manager.
2. Select Uninstall device.
3. Leave Attempt to remove the driver for this device unchecked on the first attempt.
4. Select Uninstall and restart the computer.

Windows will try to enumerate the hardware and reinstall a compatible driver during startup. Microsoft’s Device Manager instructions confirm that restarting after uninstalling prompts Windows to attempt the driver installation again.

Do not repeatedly delete every audio-related entry. Laptop audio often depends on a chain that includes the chipset, Intel Smart Sound Technology or an AMD audio controller, the codec driver, and the endpoint. Removing the wrong controller can make diagnosis harder.

Install the Manufacturer’s Audio Package When the Device Is Missing

Download the driver from the support page for your exact laptop, motherboard, or prebuilt desktop model. Avoid third-party driver-download websites.

Install packages in this order when the manufacturer provides them separately:

1. Chipset driver
2. Intel Smart Sound Technology, AMD audio controller, or equivalent system driver
3. Realtek, Conexant, Cirrus Logic, or other codec driver
4. Manufacturer audio-control application or extension

Restart after the controller and audio packages are installed. Some laptops need both the controller driver and the Realtek package before the built-in speakers appear.

The generic High Definition Audio Device driver can be useful as a temporary test, but it may omit jack detection, speaker tuning, microphone-array processing, or vendor controls. Prefer the computer manufacturer’s package for the permanent repair.

Check Optional Driver Updates

Windows may place a compatible audio or system driver under optional updates instead of installing it automatically.

1. Open Settings > Windows Update.
2. Select Advanced options > Optional updates.
3. Expand Driver updates.
4. Install an audio, chipset, or system-device driver only when its name matches your hardware.
5. Restart and check Settings > System > Sound again.

Do not install every optional driver as an experiment. Make one relevant change at a time so you can identify which package restored or disrupted the device.

Treat HDMI and DisplayPort Audio Separately

Sound sent through an HDMI or DisplayPort cable normally uses the graphics adapter’s audio component, such as NVIDIA High Definition Audio, AMD High Definition Audio, or Intel Display Audio. It is separate from the Realtek device that usually handles built-in speakers and the 3.5 mm jack.

Check these points when only monitor or TV audio is missing:

• Confirm that the display has speakers and that they are not muted in the monitor menu.
• Reseat the HDMI or DisplayPort cable.
• Open Settings > System > Display and verify that Windows detects the display.
• Look for the graphics audio entry under Sound, video and game controllers.
• Reinstall the complete graphics package with its audio component selected.

The guide to reinstalling NVIDIA drivers explains the clean driver process when NVIDIA display audio disappeared with the graphics driver. Do not replace the Realtek driver when built-in speakers work and only the monitor output is missing.

Check Realtek Audio Console Only After the Device Returns

Realtek Audio Console controls features exposed by a working Realtek driver. It cannot restore hardware that Device Manager does not detect.

Once Realtek Audio appears normally, open the console and check the connector, speaker, and jack-detection settings. The article on Realtek Audio Console not opening covers the matching service and application problems without confusing them with a missing audio controller.

This distinction matters. Reinstalling the console alone will not repair the “No audio output device is installed” error when the underlying driver or controller is absent.

Check BIOS or UEFI Only When Audio Is Missing Everywhere

Move to firmware checks when all of the following are true:

• The audio device is absent from Sound settings.
• It remains absent from Device Manager after showing hidden devices.
• The correct chipset, controller, and audio drivers have been installed.
• The built-in speakers are missing even with every dock and external display disconnected.

Restart the PC and enter its BIOS or UEFI setup using the manufacturer’s documented key. Look for a setting such as Onboard Audio, HD Audio, Integrated Audio, or Audio Controller. Not every computer exposes this option.

Enable the setting if it is disabled, save the change, and restart. Do not change unrelated storage, Secure Boot, TPM, or CPU settings while looking for audio controls. Loading firmware defaults may alter other important settings, so it should not be the first repair.

A device that remains absent after the correct drivers and firmware settings are confirmed may indicate a failed audio controller, motherboard problem, damaged internal connection, or a model-specific firmware issue. Test a USB headset or USB audio adapter. Working USB audio proves that Windows can still play sound, but it does not prove that the built-in audio hardware is healthy.

Verify That the Repair Is Complete

Do not stop when the red X disappears. Confirm the entire playback path:

1. Open Settings > System > Sound.
2. Select the restored speakers under Output.
3. Open the device properties and use Test.
4. Check the left and right channels.
5. Connect and disconnect headphones once to test jack detection.
6. Restart the PC and confirm that the same output remains available.

The repair is stable when the device survives a restart, appears without a warning in Device Manager, and produces sound through the intended speakers or headphones.

When a Windows Repair Makes Sense

System file repair is reasonable after malware removal, an interrupted update, or widespread Windows component failures. It is less likely to help when the audio controller is missing because the chipset driver or firmware has disabled it.

Create a restore point or back up important files before a larger repair. A repair reinstall can replace damaged Windows components while preserving personal files and installed applications. Use the instructions for reinstalling the current Windows version to repair system files only after the correct OEM drivers and hardware checks have failed.

Resetting Windows should not be the first response to a single missing audio device. When the device is absent even inside firmware diagnostics or an OEM hardware test, contact the computer manufacturer or a repair technician before reinstalling the operating system.

The most important clue is Device Manager. A visible audio device points toward settings, services, or its driver. A completely missing controller points toward supporting chipset drivers, firmware configuration, or hardware. Following that distinction usually restores sound faster than applying every audio fix in random order.