Conexant Audio (CX20641/CX20651), v., A02

This package provides Conexant CX20641/CX20651 Audio Driver and is supported on Optiplex 390 running the following windows operating systems: Windows 7, Vista and XP.

Fixes & Enhancements

Fixes: - Fixed a Vista issue that the rear jacks (line-in and MIC-in) cannot be muted during recording. - Fixed the system tray icon missing issue after changing the audio settings. - Fixed the error message issue that pops up when inserting a MIC. Enhancements: - Not Applicable.


Version, A02



Release date

04 Aug 2011

Last Updated

21 Jun 2013


Available formats

File Format:Hard-Drive
File Name:CONEXANT_AUDIO--CX20641-CX20_A02_R307709.exe
Download Type:HTTP
File Size: 43 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.
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File Format:Update Package for Microsoft® Windows®
File Name:OP390_DRVR_WIN_R307709.EXE
Download Type:HTTP
File Size: 104 MB
Format Description:Dell Update Packages (DUP) in Microsoft Windows 32bit format have been designed to run on Microsoft Windows 64bit Operating Systems. Dell Update Packages (DUP) in Microsoft Windows 64bit format will only run on Microsoft Windows 64bit Operating Systems. When selecting a device driver update be sure to select the one that is appropriate for your operating system.
To ensure the integrity of your download, please verify the checksum value.
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By downloading, you accept the terms of the Dell Software License Agreement.

Supported Operating Systems
Windows 7, 32-bit
Windows 7, 64-bit
Windows Vista, 32-bit
Windows Vista, 64-bit
Windows XP
Installation instructions
Dell Update Package Instructions for OP390_DRVR_WIN_R307709.EXE: Download 1.Click Download File to download the file. 2. When the File Download window appears, click ""Save"" to save the file to your hard drive. Installation 1. Browse to the location where you downloaded the file and double-click the new file. 2. Read over the release information presented in the dialog window. 3. Download and install any prerequisites identified in the dialog window before proceeding. 4. Click the Install button. 5. Follow the remaining prompts to perform the update. Hard Drive Installation (via WinZip) with Setup.exe File for CONEXANT_AUDIO--CX20641-CX20_A02_R307709.exe Download 1.Click Download File to download the file. 2.When the File Download window appears, click Save (Windows XP users will click Save) this program to disk and click OK. The Save In: window appears. 3.From the Save In: field, click the down arrow then click to select Desktop and click Save. The file will download to yourdesktop. 4.If the Download Complete window appears, click Close. The file icon appears on your desktop. Install 1.Double-click the new icon on the desktop labeled CONEXANT_AUDIO--CX20641-CX20_A02_R307709.exe. 2.The Self-Extracting window appears and prompts you to extract or unzip to C:\DELL\DRIVERS\R307709. Write down this path so the executable (I.e. Setup.exe) file can be found later. 3.The Self-Extractor window appears. 4.Click OK. 5.After completing the file extraction, if the Self-Extractor window is still open, close it. 6.Click the Start button and then click Run. 7.Type C:\DELL\DRIVERS\R307709 in the Open textbox and then click OK. 8.Follow the on-screen installation instructions.
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).