I have the Dell 5650 Computer Speakers and first 2 of the speakers stopped working and when i reinstalled the speakers again none of them worked. the green light of the center doesn even light up, any suggestions?

Hi, these instructions will help you with the Audio problem. These are the steps to setup and 'restore' the “Audio Drivers” Part (1) Click on the "Start" button, go to and click in the (right, pane) Control Panel.
Scroll to find, "Ease of Access (or) Speech Recognition Options. Click, on" Replace sound with visual cues."
In the See also: (Category), click, on “Audio Devices, and Sound Themes” click, “Playback” Next, click on the Active "Speakers.” Click “Configure” to "Audio channels" The (Speaker Setup) "wizard,” appear! Select (Test) click, Next! Follow the instructions. Part (2) Click 'Properties' change the "sound"(Level). Click on Enhancements, "Apply" changes. “The (Advanced),“not recommended!” In, the Controller Information (block), click on, Properties to "update" Drivers. Check to see if Device usage: (enable) if not? "Change it." *Note: Click "OK" to all change; 'Save' and Apply!, before exiting. “Did this solution help?”