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Driver Details

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.
Release Date 8/4/2011
Importance: Recommended

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File Format: Update Package for Microsoft® Windows® Download File Download File
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Description: Dell Update Packages in Microsoft Windows 32-bit format can be deployed on Microsoft 64-bit operating systems by implementing the WOW64 emulation applications. WOW64 is a standard feature on most Microsoft operating systems.
Download Type: HTTP
File Size: 104MB

Previous Versions

No previous version available.


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.

Level of Importance:Recommended

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).


OptiPlex 390
Operating Systems
MS Windows 7 32-bit
MS Windows 7 64-bit
MS Windows Vista 32-bit
MS Windows Vista 64-bit
MS Windows XP

Applies to

  • Audio (CX20641/CX20651)

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.

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.            


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