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.
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