have you tried this control panel sounds and audio,volume,advanced,speakers select the appropriate speakers from the drop down list or navigate to the device manager scroll to system devices + to expand,system speaker right click properties then select use this device (enable) also you might check the speakers plug/outlet is usually at the back of the computer you will have to open up the computer to check the lead attached to the rear of the input plug make sure the connection is good try cleaning your computer of dust using a fine air blower from a compressor making VERY sure that there is no MOISTURE in the air line specifically around the sound card and the CPU central processing unit dust causes static to build up in a computer hope this helps don
you have not stated what is not working so i have to guess you need an overhaul
Test your PSU or replace it if your power supply units fan is not working your PSU is faulty
One bad lead can cause a computer to continue on a cycle or to shutdown or fail to detect/ boot up a computer hard drive
Test all leads that attach to your hard drive including electrical extensions,IDE,SATA
the leads from your ((motherboard to your hard drive)) make sure they have a secure connection and are not faulty or just replace them there probably old and faulty make sure all leads that are attached to your drives dvd\cd 3 1/2 inch floppy have secure connections and are not faulty even the electrical extensions or just replace them they are probably old and faulty a computer needs its connections to have an end so any faulty leads will end up with a computer error
hope this will help don
go to this "Website," and "Fill-in" or {Choose} any information needed to get the "Drivers" you need. Than you'll be able to "Download the Drivers."
Click here: http://search.dell.com/results.aspx?smh=sup&c=us&l=en&s=gen&k=Dell%20Inspiron%20580%20&cat=sup
"These are instructions to "Fix the Sound / Audio."
Part1
Do a [Microsoft Update] from the "Start Menu," scroll in the "All Programs."
Do a "Windows Update" Type: windows update, in the Start Search {box}.
Go to the "Control Panel" from the Start Menu," open the Control Panel.
Scroll to find "Hardware and Sound," and click on the "Sound" applet.
Open the Speaker Properties
Click on the [Driver Button] and "Update Drivers for the Speakers"
Part 2
From the "Desktop Screen."
[Right / Alt] click on the Volume Icon.
Once the 'window' open! Part3 Open the "Device Manager," from the [Control Panel > Hardware and Sound], and 'check' to see if the "Sound Card" is "present?" If the Sound Card is "listed?" Next, {2x} click to open, and "Update the Drivers" If this information helped? Return and give a "Helpful Rating," please!
Thanks, paul7of9
Hope this helps. Please rate my response.
Thanks.
Have a good day.
control panel,administrive tools,computer management,device manager,sound,right click select properties to either troubleshoot,uninstall,rollback driver
hope this helps
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