[SOLVED ME]Failed to play test tone

Error “Failed to play test tone” could be caused by corrupted audio drivers, sound configurations and corrupted Windows files. In this article, you will find solutions to solve this problem. If you meet this error while testing sound, try solutions here. One of them should fit your needs. The steps below apply to Windows 10, 7, 8, 8.1, XP & Vista.

Solution 1: Restart Windows Audio Service

Follow these steps:

1. Hold Down Windows logo and press R key. A Run dialog box will pop up.

2. Type services.msc in the run box and click OK button.

3. In right Services Window, find Windows Audio from the “Name” list and right-click on it. Click Restart in the pop-up menu. Then the audio service will restart.

Solution 2: Repair Corrupted Windows Files

The problem would cause if some important Windows files are corrupted. To check and repair the corrupted system files, follow these steps:

1. Hold Down Windows logo and press R key. A Run dialog box will pop up.

2. Type cmd in the run box and click OK button. 

3. When Command Prompt opens, type sfc / scannow and press Enter.

The process will take several minutes until the verification 100% complete.

Note that you are required to run this command as an administrator. If not, you will get the following message when your run it. In this case, please open command prompt as an administrator and try again.

Solution 3: Change the Sample Rate

Changing the sample rate might fix your problem. Follow these steps:

1. Right-click on the sound icon in bottom right corner of desktop and select Playback devices.

2. In “Playback” tab, select your sound card and click Properties. 

3. Click Advanced tab. You may see the sample rate is 16 bit, 44100 Hz  by default. Change it to other sample such as 16 bit, 48000 Hz. Click Apply button and see if the problem persists. 

If the sample rate is not set in default, click Restore Defaults and test if the sound’s back.

Solution 4: Disable Audio Enhancements

1. Right-click on the sound icon in bottom right corner of desktop and select Playback devices.

2. Select Speakers and click Properties. 

3. Click Enhancements tab. Check the box next to Disable all enhancements (For some Windows version, you may see Disable all sound effects here.), then click Apply button.

Solution 5: Reinstall Audio Drivers

The problem might also be caused by corrupted drivers, so try reinstalling the Audio drivers and see if the problem resolves.

Follow these steps:

1. Go to Device Manager.

2. In Device Manager window, expand category “Sound, video and game controllers”. Under this category, right-click on the audio device name and click Uninstall. 

3. After uninstalling the driver, restart your PC then Windows will install generic audio driver automatically.

Solution 6: Download Audiodg.exe 

1. chek audiodg.exe in C:/Windows/System32/ => If missing download audiodg.exe here

2. Open and extract in C:/Windows/System32/

3. Play test tone.

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