Go to the web site for your computer or motherboard vendor. Look under Support and you should find the drivers for your pc model and your version of windows
What's the make/model of your computer. What Windows are you running?
List any Problem devices
Make sure devices are connected and powered on
Click Start->Run, enter: msinfo32. Click the + sign next to Components to expand it
Click Problem Devices. Anything appear?
If yes, click on it, Ctrl-A to select all, Ctrl-C to copy it, Ctrl-V to paste into next post
On the other hand, if no devices are listed, tell me so
Generate and attach a DirectX report
Click Start->Run, enter dxdiag and click OK
===> If you’re running 32 bit Windows, dxdiag will launch on its own
===> If you’re running 64 bit Windows, you’ll see 64-bit DxDiag. Click it to launch the 64-bit version of dxdiag
Notice progress in lower left window corner
When done, click Save Information button and save as a text file to your Desktop
Click the Upload a File button to upload and attach the file to your next post
OK. If the installer didn't start on its own you'll need to start it manually. The files should've been extracted into C:\Dell\Drivers\R56339. Look in the folder and double click to run the Setup.exe file.
First try: Open Device Manager, you;ll find device with yellow icon under Other Devices (it should be the Multimedia Audio controller). Right click select Update and allow windows search online.