Troubleshooting a System that would not produce sound (Windows OS )

What to do when no sound is heard from speakers            
              What happens when you start up your system one day and you hear no sounds, I mean no sounds at all. Either the windows start up sound or sounds from music/video players or software. This may be caused by one or two things. Some of the things to check to detect and correct this problem are; 

• Check the Microsoft Volume Control or the Audio Mixer Program mute options and volume sliders.
• Ensure the speakers are properly connected to the audio card’s output connector. And in case of a laptop ensure that the speakers are working.
• Check the volume control and power connection of the speakers, if they are amplified. (Refer to the speakers documentation for detailed information).
• Ensure a hardware conflict does not exist between your audio card and another device in your system.
• PCI bus mastering devices may be interfering with the operation of the audio card. Temporarily remove non-essential PCI bus mastering devices. If the device is a display card, upgrade the display card drivers, or set the card to the default Windows VGA mode.
• You should also check if you system as sound drivers. To check if your system has a sound driver click on the start button and type device manager. On opening, you will see a list of all drivers on your system. If there are no sound drivers try buying and installing one.

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