Technology and components
Alienware Aurora R5is shipped with Realtek ALC3861 for optical S/PDIF
NOTE: The audio drivers are already installed when you receive your
Downloading the audio driver
1 Turn on your computer.
2 Go to
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 & downloadsFind 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.