Check the device's status using the following steps:
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1. Click "Start", input "Device Manager" (without quotation marks) in the Search box, and then press "Enter".
2. Double-click "Sound, video and game controllers" to expand it.
3. Double-click the installed Sound Card to open its Properties.
4. On the General tab, please check the message in the Device Status section.
- Then, if the device is working properly, please follow these steps to check the sound settings:
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1. Click "Start", input "mmsys.cpl" (without quotation marks) in the Search box, and then press "Enter".
2. Click the "Playback" tab, choose the default sound playback device, and click "Apply".
3. Double click the output device, on "Levels" tab, check if the sound is mute and then click Apply.
- If the issue persists, please uninstall the sound card by the steps below:
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1. Click "Start", input "Device Manager" (without quotation marks) in the Search box, and then press "Enter".
2. Double-click "Sound, video and game controllers" to expand it.
3. Right click on the sound card and then click Uninstall.
4. Restart the computer.