Packard Bell EN NJ31 Driver Download (Official)

Packard Bell Drivers

The EN NJ31 is a modem manufactured by Packard Bell. If you cannot connect to the network, or have slow transfer speeds or intermittent disconnection problems, you may need to update your modem driver or firmware. This update - "" - has an average rating of 5 out of 5 stars based on 8 reviews, and has been downloaded 21 times. Compatibility for this driver update includes PCs running Windows operating systems such as Windows 7. The total disk space used for this update is 5.5 MB.

8 Ratings

Supported Models


HDAUDIO Soft Data Fax Modem with SmartCP


Packard Bell


Supported Operating Systems

Windows 7

File Name

Versions (8-Jan-2010)

Additional Notes

Modem Driver File

Uploaded By

Sathishkumar (DG Staff Member) on 18-Oct-2011

How to Update EN NJ31 Device Drivers

Step 1 - Download Your Driver

To get the EN NJ31 driver, click the green download button above. After you complete your download, move on to Step 2.

If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Packard Bell EN NJ31 into the search box above and then submit. In the results, choose the best match for your PC and operating system.

Tech Tip: If you are having trouble deciding which is the right driver, try the Packard Bell Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.

To find the newest driver, you may need to visit the Packard Bell website. Most major device manufacturers update their drivers regularly.

Step 2 - Install Your Driver

To install your new driver on Windows:

  1. Right-click the Start button.

  2. Click "Device Manager">

  3. Find your device in the list.

  4. Right-click the device and select "Update driver"

  5. Follow the steps on screen.

Restart your computer when done.

This keeps your computer working at its best.

Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.

For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.

Driver Contents File List

The following files are found inside the driver download file.

Name Size Date
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-32/AcrZUn32x.inf 54.9 KB 13 May 2009
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-32/HSFProf.cty 146.0 KB 25 Mar 2008
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-32/HSXHWAZL.sys 207.4 KB 12 Feb 2009
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-32/HSX_CNXT.sys 661.5 KB 12 Feb 2009
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-32/HSX_DPV.sys 981.0 KB 12 Feb 2009
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-32/MDMXSDK.sys 12.7 KB 18 Jun 2006
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-32/MdmXSdk.dll 94.2 KB 18 Jun 2006
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-32/Setup.exe 1.1 MB 6 May 2009
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-32/UCI32M41.dll 258.0 KB 6 May 2009
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-32/UIU32m.exe 1.1 MB 6 May 2009
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-32/XAudio32.dll 410.6 KB 29 Apr 2009
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-32/XAudio32.sys 8.7 KB 29 Apr 2009
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-32/ 36.3 KB 19 May 2009
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-32/difxapi.dll 320.0 KB 2 Oct 2006
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-64/AcrZUn64w.inf 54.8 KB 13 May 2009
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-64/CAXHWAZL.sys 292.9 KB 12 Feb 2009
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-64/CAX_CNXT.sys 740.9 KB 12 Feb 2009
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-64/CAX_DPV.sys 1.5 MB 12 Feb 2009
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-64/HSFProf.cty 146.0 KB 25 Mar 2008
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-64/MDMXSDK.sys 17.0 KB 18 Jun 2006
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-64/MdmXSdk.dll 94.2 KB 18 Jun 2006
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-64/Setup64.exe 1.4 MB 6 May 2009
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-64/UCI64M41.dll 394.8 KB 6 May 2009
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-64/UIU64m.exe 1.4 MB 6 May 2009
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-64/XAudio64.dll 436.7 KB 29 Apr 2009
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-64/XAudio64.sys 10.2 KB 29 Apr 2009
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-64/ 36.2 KB 19 May 2009
Modem_Conexant_7.80.4.55_Win7x86x64/Win7-64/difxapi.dll 524.8 KB 2 Oct 2006
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