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[Solved] Conextant SmartAudio HD Audio/Microphone No Sound After Upgrade to Windows 10

We know, Conexant do not produce the audio devices but the audio chip. So if you want to update the Conexant SmartAudio HD drivers, you need to enter the laptop/desktop official site to download the driver and update it. So if your Conexant sound card had no audio, it is harder to solve than Realtek high definition audio has no sound. Don’t worry, if your Conexant device occurred this error, try to solve it following the next solutions.


Fix Conexant SmartAudio HD Speaker Not Working Error

Solution 1: Manually Update Conextant SmartAudio HD Drivers

Although Conexant do not produce audio device, so you cannot find the driver in their official site, but you can do this in device manager.

1. Open device manager.

2. Following this path: Sound, video and game controllers > Conexant SmartAudio HD > Uninstall to uninstall the driver.

uninstall smartaudio hd device

3. And then click Scan for hardware changes, the driver will reinstall for you.

If this cannot solve your problem, try to following the next step.

4. Expand Sound, video and game controllers > Conexant SmartAudio HD > Properties > Driver Tab > Roll back Driver.

This will help you roll back to the previously version, it is the High Definition Audio device driver.

If this cannot solve your problem, try to following the next step.

5. Right click Conexant SmartAudio HD and following the next steps: Update Driver Software > Browse my computer for driver software > Let me pick from a list of device.

In this window, Selected Show Compatible Hardware, and in the mode results, choose High Definition Audio Device, then click Next.

High Definition Audio Device

Following the window guideline to finish install the compatible driver for Conexant SmartAudio HD device.

Solution 2: Automatically Update Conextant SmartAudio HD Drivers

Using Driver Doctor to help update Conexant SmartAudio HD driver will be an effective way. Because you cannot find the Conexant driver from the official site, and Driver Doctor can help you automatically scan your computer and recommend the right conexant hd audio driver, then install and update it.

scan result

After you download Driver Doctor, run it on your computer, click the Scan Now button, it will scan all your hardware driver information, and told you the updated drivers, out-of-date drivers and missing drivers. Then it will help you to download and update all the out-dated drivers and missing drivers for your computer.

Solution 3: Setting Playback devices

After updated the drivers for Conexant device, you can check if this device is the default device. If not, set the Conexant SmartAudio HD device as the default playback device.

1. Right-click the sound icon in the lower right corner, and choose Playback Devices.

2. Selected the SmartAudio HD device, and click Set Defaults.

conexant smartaudio hd as playback devices

Solution 4: Disable All Sound Effects

Choose the Conexant SmartAudio HD Device > Properties > Enhancements tab.

Selected Disable all sound effects , this will turn off all the sound effects.

disable all sound effects

If this cannot help you to solve your problem, you can try to view this article: Fix No Sound Issue in Windows 10.

Fix Conexant SmartAudio HD Microphone No Sound Error

Besides of SmartAudio HD audio device, if you are using the Conexant Microphone and you find it has no sound after plug it to computer, you can also following the above ways to solve it. If it is the front jack, you can view the related article: fix front jack no sound error.

At first, try to make sure the driver is right. So following the solution 1 or solution 2 to update drivers.

Then do these things.

1. Click sound Icon in the lower right corner and choose Recording devices.

recording device

2. Set Conexant Microphone as the default recording device.

set conexant smartaudio hd microphone as default device

In the Recording tab, click the Conexant SmartAudio HD and click Set Default button, then click Apply.

3. In Recording tab, selected Microphone, and click Properties to enter Conexant SmartAudio HD properties.

4. In Microphone Properties, choose Levels tab, and adjust Microphone value to 100, and adjust the Microphone boost value as 0.0dB. Then click OK.

microphone levels settings

2. Set Conexant Microphone as the default recording device.

recording device

Or if there is an Enhancements tab, try to uncheck it from that tab. And also you can adjust it in SmartAudio manager program. You can find SmartAudio Manager in the control panel.


I hope these ways can solve your Conexant headset and microphone no sound error. And mostly the problem is caused by driver issue. So using Driver Doctor to fix conexant smartaudio hd no sound will be a directly way. It only several steps and save more time.

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