Service Manual
Technology and components
Audio
Alienware Alpha R2 is shipped with Realtek ALC3234 for optical S/PDIF output.
NOTE: The audio drivers are already installed when you receive your computer.
Downloading the audio driver
1  Turn on your computer.
2  Go to www.dell.com/support.
3  Click Product support, enter the Service Tag of your computer and then click 
Submit.
NOTE: If you do not have the Service Tag, use the auto-detect feature or 
manually browse for your computer model.
4  Click Drivers & downloads → Find it myself.
5  Scroll down the page and expand Audio.
6  Click Download to download the audio driver for your computer.
7  After the download is complete, navigate to the folder where you saved the audio 
driver file.
8  Double-click the audio driver file icon and follow the instructions on the screen to 
install the driver.
Identifying the audio controller
1  On the taskbar, click the search box, and then type Device Manager.
2  Click Device Manager.
The Device Manager window is displayed.
3  Expand Sound, video and game controllers to view the audio controller.
Before installation After installation
93










