Alienware 15 R4 Service Manual

Downloading the audio driver

Turn on your computer.
Go to www.dell.com/support.
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.
Click Drivers & downloads > Find it myself.
Scroll down the page, and expand Audio.
Click Download to download the audio driver for your computer.
After the download is complete, navigate to the folder where you saved the audio driver file.

Double-click the audio driver file icon and follow the instructions on the screen to install the driver.

Table 1. Audio controller in device manager . The following table shows the audio controller status in device manager before and after installation.
Before driver installation	After driver installation