My computer is not making any sound. When I restart it, it tells me to install the multimedia audio controller. It asks me for the HP Product Assistant CD, but I don't think I have that. How do I get sound back to my computer?
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Kristilyn, You will need to download and reinstall the sound drivers into the system or use the Dell Drivers disk that was shipped with your computer to install. You can download the driver from the link below. Dell Optiplex GX520 Audio Driver http://dell.to/17lTTIk
Thank You, Dell-Jesse L Dell Social Media and Communities
Since you have a multimedia audio controller or Sound Card installed to your motherboard, reboot your PC and enter the CMOS/BIOS setup and disable the Onboard Audio.
Save your new settings.
The PC should immediately detect your Sound Card and ask for driver.
Install the Sound Card driver completely and reboot your PC.
Finally, configure the Audio properties to your desired adjustments.
First right click my computer clickproperties then click hardware then device manager and in the click sound vedio and came controller and see wether the driver is installed properly if you see question mark in the driver or the driver not installed properly reload your sound driver which came with the motherboard if the drivers are installed properly then click start settings control pannel then click sound and audio device then click volume and move the slider to high then untick the mute button if ticked then restart the computer
control panel sounds and audio,volume,advanced,speakers select appropriate speakers or audio you will find 3 drop down lists make the necessary adjustmentsthere or control panel,administrive tools,computer management,device manager,sound,could be a yellow question mark? right click to re-install drivers hope this helps
Download Microsoft UAA drivers for your O/S Uninstall your sound drivers through device manager. then install the UAA drivers and REBOOT then install your sound drivers The only thing I can think of was you did not reboot after installing UAA drivers