Why is there no sound in the win7 computer jack?
Step 1: First click the right mouse button - click & ldquo; Manage & rdquo;, go to the computer management window.
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In the second step, click on Device Manager & mdash; Sound, Video and Game Controller - Realtek High Definition Audio
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Three steps to see if the device is disabled and the driver is normal. It is disabled. Right click on Realtek High Definition Audio, click Enable. If there is no driver, download the driver wizard. Everything works fine and continues to the next operation.
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Step 4 Click Start - Control Panel, then find and click "Realtek High Definition Audio Manager"
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