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the drivers might have been corrupted by something or you might have got a virus run your antivrus program and test for a virus then you might have to uninstall then reinstall either the sound drivers or the sound card make sure you have both of these devices baked up to a disc before uninstalling a yellow? question mark means you need to install/update driver right click to install driver as for the sound control panel sounds and audio,volume you can adjust the volume or advanced,speakers select appropriate speakers or audio you will find 3 drop down lists make sure you have selected the right speakers or control panel,administrive tools,computer management,device manager scroll to sound,video and game cotrollers could be a yellow question mark? right click to re-install drivers hope this helps
It might be because your sound card does not have the driver installed. See if there is any driver update in Windows Update section, and right click to Computer->Properties->Device Manager and see if there is any unidentified device there.
Make sure the speakers are hooked up properly and also that the sound card drivers are installed, you can verify this by going into the device manager. The main speaker wire has to be hooked up to the output of the computer sound card.
If the sound card drivers are installed and the speakers are hooked up properly and your still not getting sound, try the speakers on another computer that you know has sound. If the speakers work then its a sound card driver issue on the original computer. If the speakers don't work on another computer then you know the speakers are bad.
hi there, when you installed vista, did you do a reformat, then install vista? If so, you will need to find your audio drivers. The easiest way is to go into device manager and look for a mixing device. If your system has the audio drivers, but not a mixing device, you will need to get a mixing device for your computer.
Hello.... 1 - r u facing NO Audio/Sound issue...? 2 - is ur Volume Control not responding ? 3 - is ur Sound and Audio Device in Control Panel Grayed out ? 4 - Do u get a msg "No Active Mixer Devices Installed....when u try to open Volume Ctrl etc etc ?
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