Dell XPS 14 L421X Driver Download (Official)
The XPS 14 L421X is a network device manufactured by Dell. Issues like weak Wi-Fi signal, slow DNS lookup, duplicate IP addresses, slow network and excessive CPU usage can be solved by updating this driver. Visitors have downloaded this file "R289421.exe" 19 times with an aggregate rating of 5 out of 5 stars based on 7 reviews. Compatibility for this driver update includes PCs running Windows operating systems such as Windows 7. The total disk space used for this update is 11.7 MB.
Supported Models
XPS 14 L421X
XPS 17 L702X
Manufacturers
Supported Operating Systems
Windows 7 (64 bit)
File Name
R289421.exe (11.7 MB)
Versions
A00.00 (31-Dec-2013)
Additional Notes
WiMax Driver File
Uploaded By
siddhik (DG Staff Member) on 17-Jan-2017
Related Driver Updates
How to Update XPS 14 L421X Device Drivers
Step 1 - Download Your Driver
To get the XPS 14 L421X 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 XPS 14 L421X 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 |
|---|---|---|
| DELL.dll | 366.6 KB | 14 Nov 2010 |
| Intel WiMAX.msi | 12.1 MB | 14 Nov 2010 |
| iPROData.ini | 25.3 KB | 29 Nov 2010 |
| Setup.exe | 1.8 MB | 14 Nov 2010 |
| Setup.xml | 8.0 KB | 14 Nov 2010 |
| verfile.tic | 13 bytes | 16 Nov 2010 |
| Drivers/besor.sbcf | 1.4 MB | 25 Oct 2010 |
| Drivers/BPClsCoInst.dll | 35.3 KB | 25 Oct 2010 |
| Drivers/BPCoInstaller.dll | 19.5 KB | 25 Oct 2010 |
| Drivers/bpenum.cat | 8.7 KB | 11 Nov 2010 |
| Drivers/bpenum.inf | 17.7 KB | 25 Oct 2010 |
| Drivers/bpenum.sys | 75.3 KB | 25 Oct 2010 |
| Drivers/bpmp.cat | 8.4 KB | 11 Nov 2010 |
| Drivers/bpmp.inf | 36.9 KB | 25 Oct 2010 |
| Drivers/bpmp.sys | 173.6 KB | 25 Oct 2010 |
| Drivers/bpusb.cat | 9.2 KB | 11 Nov 2010 |
| Drivers/bpusb.inf | 21.6 KB | 25 Oct 2010 |
| Drivers/bpusb.sys | 81.4 KB | 25 Oct 2010 |
| Drivers/Readme.txt | 1.3 KB | 14 Nov 2010 |
| Drivers/wdfcoinstaller01007.dll | 1.5 MB | 27 Mar 2008 |
| Lang/SetupCHS.dll | 1.1 MB | 14 Nov 2010 |
| Lang/SetupCHT.dll | 1.2 MB | 14 Nov 2010 |
| Lang/SetupENU.dll | 1.2 MB | 14 Nov 2010 |
| Lang/SetupESN.dll | 1.2 MB | 14 Nov 2010 |
| Lang/SetupFRA.dll | 1.2 MB | 14 Nov 2010 |
| Lang/SetupITA.dll | 1.2 MB | 14 Nov 2010 |
| Lang/SetupJPN.dll | 1.2 MB | 14 Nov 2010 |
| Lang/SetupKOR.dll | 1.2 MB | 14 Nov 2010 |
| Lang/SetupNLD.dll | 1.2 MB | 14 Nov 2010 |
| Lang/SetupRUS.dll | 1.2 MB | 14 Nov 2010 |
| Version.txt | 543 bytes | 21 Apr 2011 |