This article will guide you to resolve the audio not detected on the Alienware mobiles M14x R2, M17x R4 and M18x R2.
Note: Please bookmark this article as restarts of the computer are recommended during the process to help resolve issues.
Table of Contents:
2.What is happening?
Alienware M14x R2
Alienware M17x R4
Alienware M18x R2
What is happening?
The Audio codec suddenly disappear from “device manager” and the computer stays without an audio device, There is a red “X” and no “Audio Output Device is installed message” shown at the task bar.
Figure1: Sound message at the Task Bar
The behavior appears randomly. Rebooting or reinstalling the Sound driver will make the sound card to show up again and work for a while until reoccurs.
In order to correct this, we recommend you to update the system BIOS to the latest version available and re-install the Sound Driver. If your system is up to date and this behavior persists, it indicates that your system may need to be serviced.
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Article ID: SLN133077
Last Date Modified: 07/12/2013 12:00 AM
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