Dell Studio Laptop 1457 Driver Download (Official)
The Studio Laptop 1457 is a modem manufactured by Dell. 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. Visitors have downloaded this file "CONEXANT_D400-EXTERNAL-USB-5_A01_R232499.exe" 26 times with an aggregate rating of 5 out of 5 stars based on 7 reviews. The uploader reports that this update will work successfully on PCs running Windows 7. The total disk space used for this update is 2.0 MB.
Supported Models
Studio Laptop 1457
Conexant USB D400 V.92 Modem
Studio Laptop 1458
Studio Laptop 1749
Vostro Notebook 1320
Vostro Notebook 1520
Vostro Notebook 1720
Manufacturers
Supported Operating Systems
Windows 7 (64 bit)
File Name
CONEXANT_D400-EXTERNAL-USB-5_A01_R232499.exe (2.0 MB)
Versions
2.0.20.0 (10-May-2010)
Additional Notes
Modem Driver File
Uploaded By
Sathishkumar (DG Staff Member) on 1-Jul-2011
Related Driver Updates
How to Update Studio Laptop 1457 Device Drivers
Step 1 - Download Your Driver
To get the Studio Laptop 1457 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 Dell Studio Laptop 1457 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 Dell 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 Dell website. Most major device manufacturers update their drivers regularly.
Step 2 - Install Your Driver
After downloading your new driver, installation is the next step. On Windows, utilize the built-in Device Manager utility to manage this process. This tool provides a comprehensive view of all system-recognized devices and their associated drivers. To complete the installation, a system restart is typically required for the driver update to take effect.
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 |
|---|---|---|
| DIFxAPI.dll | 524.8 KB | 3 Oct 2006 |
| DellUSBw.INF | 22.9 KB | 7 May 2009 |
| Setup64.exe | 1.4 MB | 22 Jul 2009 |
| UCI64C40.dll | 394.2 KB | 22 Apr 2009 |
| UIU64c.exe | 1.4 MB | 6 May 2009 |
| Version.txt | 885 bytes | 24 May 2011 |
| acfdcp64.sys | 34.9 KB | 28 Apr 2009 |
| acfsdk32.dll | 94.2 KB | 15 Mar 2007 |
| acfsdk64.sys | 17.0 KB | 15 Mar 2007 |
| acfva64.sys | 123.0 KB | 2 Apr 2009 |
| acfxau64.dll | 436.7 KB | 28 Apr 2009 |
| acfxau64.sys | 10.2 KB | 28 Apr 2009 |
| dellusbw.cat | 10.3 KB | 19 May 2009 |