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The sound volume on a computer cannot be adjusted using the keyboard hotkey (volume up and down) or the volume icon on the taskbar in Windows. The issue occurs after installing the Realtek High Definition Audio Driver version 6.0.9802.1, A05. Affected Platform: Alienware m16 R2
The Realtek High Definition Audio Driver version 6.0.9802.1, A05 is the cause.
Updating to Realtek High Definition Audio Driver version 6.0.9835.1, A06 or later on the computer resolves the issue. To download and install the driver, refer to How to Download and Install Dell Drivers and Firmware.
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