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If the information I've provided was helpful, give us some reinforcement by clicking the "Solution Accepted" Have you tried this Headphones on another Windows 7 computer?
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Restart your PC and Windows will attempt to reinstall the driver. If these steps don't work, try reinstalling the driver: Open Device Manager, right-click the Audio driver and select Uninstall. If Windows doesn't find a new driver, you can try looking for one on the device manufacturer's website and follow their instructions. Select Search automatically for updated driver software. Look for Audio driver then right-click it, and select Update Driver. Look for Audio Adapters and expand the List Select the Start button, type Device Manager, and select it from the list of results. I suggest your reinstall the Audio Driver from Device Manager
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Notebook Hardware and Upgrade Questions.
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