Try using the Playing Audio troubleshooter to fix the problem. It checks for common problems with your volume settings, your sound card or driver, and your speakers or headphones. Open the Playing Audio troubleshooter by clicking the Start button, and then clicking Control Panel. In the search box, type troubleshooter, and then click Troubleshooting. Under Hardware and Sound, click Troubleshoot audio playback. If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
Note: To make sure you have the most up-to-date troubleshooters from theWindows Online Troubleshooting Service, your computer should be connected to the Internet. I've run the Playing Audio troubleshooter and I still can't hear sound from my computer.
Here are some simple steps that might help you fix the problem:
Check to make sure your computer actually has a sound card, or sound processor, and it's working properly.
You must be logged on as an administrator to perform these steps.
1. Open Device Manager by clicking the Start button , clicking Control Panel, clicking System and Security, and then, under System, clicking Device Manager. If you're prompted for an administrator password or confirmation, type the password or provide confirmation.
2. 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, check the information that came with your computer to see if there's supposed to be a sound card installed. If there should be a sound card installed, you'll need to install one.
Notes
If you think you have a sound card installed but you don't see it under the Sound, video and game controllers category, expand the Other devices category and check any devices listed there. Laptops don't usually have sound cards. Instead, they have integrated sound processors, which appear in the same category in Device Manager.
• If there's a yellow question mark next to the name of the sound card in Device Manager, there might be a problem.
1. Right-click the name of the sound card and then click Properties.
2. Click the General tab, and then look in the Device status box to identify problems with the sound card.
• If you have speakers, make sure they're plugged into a working power source and turned on.
• Make sure your speakers are correctly connected to the computer.
Many computers have three or more jacks that connect to a sound card or sound processor, including a microphone jack, line-in jack, and line-out jack. Your speakers should be plugged in to the line-out jack. If you're not sure which jack this is, try plugging your speakers in to each of the jacks to see if any of them produce sound.
Microphone, line-in, and line-out jacks on a typical desktop computer
• Make sure that your speaker volume or headphone volume isn't muted or turned down too low. This is particularly important for laptops, which often have small speakers that can be hard to hear.
1. Open Volume Mixer by clicking the Start button , clicking Control Panel, clicking Hardware and Sound, and then, under Sound, clicking Adjust system volume.
2. Move the slider up to increase the volume.
Make sure the Mute button is not turned on. If the button looks like this: , muting is turned off. If the button looks like this: , click it to turn off muting.
Note
• Some laptops have an external volume control on the outside of the case. If you're using a laptop, check the external volume control to make sure it's not turned all the way down.
• Make sure your headphones aren't plugged into the line out (headphone) jack of your sound card or computer (unless you want to be listening with headphones rather than speakers). When you plug in headphones, most computers automatically cut the sound to the speakers.
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