Next, check to make sure your computer has a sound card, or sound processor, and it's working properly.
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Select the Start button, then select Control Panel > System and Security > System > Device Manager.
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Double-click Sound, video and game controllers to expand that category. If a sound card is listed, you have one installed. If no sound card is listed, you'll need to install one according to your computer manufacturer's instructions.
Note: If you think you have a sound card installed but don't see it under the Sound, video and game controllers category, expand the Other devices category and check the devices listed there. Some devices use an integrated sound processor instead of a sound card.
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If there's a yellow question mark next to the name of the sound card in Device Manager:
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Right-click the name of the sound card, and then click Properties.
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Click the General tab, and then look in the Device status box to identify problems with the sound card.
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