Realtek Audio ALC-3221

Realtek Audio ALC-3221

Fixes & Enhancements

(1). PT_OAK, Audio delay about 2s to switch to internal speaker when unplug external headphone/speaker
(2). PT_OAK, Sound output from both internal speaker and headphone if enable auto popup dialog in audio UI
(3). PT_OAK, Record file no sound output by array Mic when continue recording after resume from S3/S4
(4). PT_OAK, Sound increase/decrease suddenly at the moment of plug headphone/speaker.
(5). PT_OAK: MAXXAudio function default settings show disable in Dell Audio with 6668 Audio driver


Version, A00



Release date

18 Dec 2012

Last Updated

11 Jan 2013


Available formats

File Format:Hard-Drive
File Name:Audio_Realtek_W8_X05_A00_Setup-YW1FJ_ZPE.exe
Download Type:HTTP
File Size: 124 MB
Format Description:This file contains a compressed (or zipped) set of files. Download the file to a folder on your hard drive, and then run (double-click) it to unzip the set of files. Follow the instructions to complete the installation.
To ensure the integrity of your download, please verify the checksum value.

By downloading, you accept the terms of the Dell Software License Agreement.

Supported Operating Systems
Windows 7, 32-bit
Windows 7, 64-bit
Windows 8, 64-bit
Applies to
Realtek Audio ALC-3221
Installation instructions

Reboot will be required
Warning: Do not turn off your computer or disconnect from your power source while updating the BIOS or you may harm your computer. During the update, your computer will restart and you will briefly see a black screen.

This driver has been tested by both the independent software vendor (ISV) and Dell on the operating systems, graphics cards, and application supported by your device to ensure maximum compatibility and performance. Details

Dell recommends applying this update during your next scheduled update cycle. The update contains feature enhancements or changes that will help keep your system software current and compatible with other system modules (firmware, BIOS, drivers and software).