HS code electrical machinery data

How to set Win7 computer headphones without sound (how to solve the problem of Win7 computer headphones being silent) If your Win7 computer cannot output sound through the headphones,HS code electrical machinery data you may need to Some adjustments have been made to the audio settings. This article will introduce some ways to solve the problem of Win7 computer headset silent. Method 1: Check the volume settings. First, you need to check whether the volume settings of the computer are correct. Try to adjust the volume to the maximum to make sure that it is not disabled or turned off by mistake. 1. First, right-click the volume icon on the taskbar and select "Volume Adjuster". Two. Make sure that the "Headphones" tab is selected. 3. Make sure that the volume adjustment curve is in the middle position and not muted.Four. Click the "Apply" button and try to play some music or videos to ensure that the audio works properly. Method 2: Check the audio settings. If the volume setting is correct, you may need to check whether the audio settings are correct. You can follow the steps below to set it up. 1. Click the "Start" button, and then select "Control Panel". Two. In the control panel, select "Hardware and Sound". 3. In the "Sound" tab, select the "Play" tab. Four. Make sure that the default audio device is your headphones, not the built-in speaker of the computer. 5. If necessary, you can right-click on the headphones and select "Set as Default Device". 6. Then, try to play some music or videos to ensure that the audio is working properly. Method 3: Update the audio driver. If neither of the above methods is valid, please try to update the audio driver.You can follow the steps below: 1. Go to the computer manufacturer's website to download the latest audio driver for your computer model. Two. Install the driver and restart the computer. 3. Then, try to play some music or videos to ensure that the audio is working properly. Method 4: Check the hardware problem. If all the above methods are invalid, please check whether your headphones are working properly. You can try to connect headphones to another device to ensure that they work properly. In addition, try to use other headphones or speakers on the computer to ensure that the computer's audio output is not the root of the problem. Method 5: Check for system errors. If you have tried all the above methods, but the computer still cannot play sound, there may be other system errors. You can try the following methods to fix the error: 1.Open the "Command Prompt". Two. Enter the following command: sfc /scannow. 3. Wait for the scan to finish, try to restart the computer, and then try to play music or video. The above is a summary of some ways to solve the silent problem of Win7 computer headphones. If the above methods are not valid, please contact professional technical support or get the warranty back.

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