Dell Latitude E5420 Driver Download (Official)
Dell Drivers Ethernet Drivers Network Drivers
Supported Models
Latitude E5420 Driver
Latitude E5420m Driver
Latitude E5520 Driver
Latitude E5520m Driver
Latitude E6320 Driver
Latitude E6420 Driver
Latitude E6420 ATG Driver
Latitude E6520 Driver
Manufacturers
Supported Operating Systems
Windows XP
File Name
NIC_DRVR_WIN_A01_R294109.EXE (124.9 MB)
Versions
A01 (14-Mar-2011)
Uploader Notes
WLAN Mini Card Driver
Uploaded By
Sathishkumar (DG Staff Member) on 13-Jun-2011
Driver Contents File List
The following files are found inside the driver download file.
| Name | Size | Date |
|---|---|---|
| BCMLogon.dll | 856.1 KB | 17 Jan 2011 |
| BcmCrypt.exe | 81.9 KB | 17 Jan 2011 |
| Bcmnpf64.sys | 45.6 KB | 17 Jan 2011 |
| DellInfo.exe | 221.2 KB | 17 Jan 2011 |
| DellInfo64.exe | 155.6 KB | 17 Jan 2011 |
| DellInst.enc | 35.8 KB | 17 Jan 2011 |
| Drivers/WinXP/WL/bcm43xx.cat | 11.6 KB | 17 Jan 2011 |
| Drivers/WinXP/WL/bcm43xx64.cat | 12.1 KB | 17 Jan 2011 |
| Drivers/WinXP/WL/bcmwl5.inf | 971.0 KB | 17 Jan 2011 |
| Drivers/WinXP/WL/bcmwl5.sys | 3.4 MB | 17 Jan 2011 |
| Drivers/WinXP/WL/bcmwl564.sys | 3.8 MB | 17 Jan 2011 |
| Drivers/WinXP/WL/bcmwlcoi.dll | 91.4 KB | 17 Jan 2011 |
| Drivers/WinXP/WL/bcmwlcoi64.dll | 95.5 KB | 17 Jan 2011 |
| IS.exe | 393.2 KB | 17 Jan 2011 |
| ISSetup.dll | 555.5 KB | 17 Jan 2011 |
| Launcher.ini | 40 bytes | 17 Jan 2011 |
| MUP.xml | 4.1 KB | 17 Jan 2011 |
| PackageVersion.dll | 7.2 KB | 17 Jan 2011 |
| README.rtf | 45.3 KB | 17 Jan 2011 |
| Setup.exe | 181.6 KB | 17 Jan 2011 |
| Setup.ini | 981 bytes | 17 Jan 2011 |
| SysInfo.exe | 77.8 KB | 17 Jan 2011 |
| WLBCGCBPRO731.dll | 2.7 MB | 17 Jan 2011 |
| X64/BCMLogon.dll | 925.7 KB | 17 Jan 2011 |
| X64/WLBCGCBPRO731.dll | 3.6 MB | 17 Jan 2011 |
| X64/bcmwlapi.dll | 183.3 KB | 17 Jan 2011 |
| X64/bcmwlcpl.cpl | 5.8 MB | 17 Jan 2011 |
| X64/preflib.dll | 185.3 KB | 17 Jan 2011 |
| X64/vcredist_x64.bat | 457 bytes | 17 Jan 2011 |
| X64/vcredist_x64.exe | 3.2 MB | 17 Jan 2011 |
| _Setup.dll | 333.1 KB | 17 Jan 2011 |
| bcm1xsup.dll | 761.9 KB | 17 Jan 2011 |
| bcmwlapi.dll | 159.7 KB | 17 Jan 2011 |
| bcmwlcpl.cpl | 5.5 MB | 17 Jan 2011 |
| bcmwlhlp.cab | 88.6 MB | 17 Jan 2011 |
| bcmwlhlpsm.cab | 5.2 MB | 17 Jan 2011 |
| bcmwliss.dll | 86.0 KB | 17 Jan 2011 |
| bcmwlnpf.sys | 33.7 KB | 17 Jan 2011 |
| bcmwlpkt.dll | 69.6 KB | 17 Jan 2011 |
| bcmwls.ini | 135.6 KB | 17 Jan 2011 |
| bcmwls32.exe | 406.8 KB | 17 Jan 2011 |
| bcmwls64.exe | 665.9 KB | 17 Jan 2011 |
| bcmwlsd.ini | 32.4 KB | 17 Jan 2011 |
| bcmwltry.exe | 2.6 MB | 17 Jan 2011 |
| bcmwlu00.exe | 319.5 KB | 17 Jan 2011 |
| data1.cab | 3.1 MB | 17 Jan 2011 |
| data2.cab | 512 bytes | 17 Jan 2011 |
| dell.txt | 18.6 KB | 17 Jan 2011 |
| layout.bin | 455 bytes | 17 Jan 2011 |
| package.xml | 26.2 KB | 17 Jan 2011 |
| preflib.dll | 143.4 KB | 17 Jan 2011 |
| vcredist_x86.bat | 457 bytes | 17 Jan 2011 |
| vcredist_x86.exe | 2.7 MB | 17 Jan 2011 |
| wltray.exe | 2.9 MB | 17 Jan 2011 |
| wltrynt.dll | 65.5 KB | 17 Jan 2011 |
| wltrysvc.exe | 25.1 KB | 17 Jan 2011 |
Related Driver Updates
How to Update Latitude E5420 Device Drivers Quickly & Easily
Step 1 - Download Your Driver
To get the Latitude E5420 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 Latitude E5420 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 Driver Update Utility for Latitude E5420. 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. Many major device manufacturers update their drivers regularly.
Step 2 - Install Your Driver
Once you have downloaded your new driver, you'll need to install it. In Windows, use a built-in utility called Device Manager, which allows you to see all of the devices recognized by your system, and the drivers associated with them.
How to Open Device Manager
In Windows 10 & Windows 8.1, right-click the Start menu and select Device Manager
In Windows 8, swipe up from the bottom, or right-click anywhere on the desktop and choose "All Apps" -> swipe or scroll right and choose "Control Panel" (under Windows System section) -> Hardware and Sound -> Device Manager
In Windows 7, click Start -> Control Panel -> Hardware and Sound -> Device Manager
In Windows Vista, click Start -> Control Panel -> System and Maintenance -> Device Manager
In Windows XP, click Start -> Control Panel -> Performance and Maintenance -> System -> Hardware tab -> Device Manager button
How to Install a driver from Device Manager
Locate the device and model that is having the issue and double-click on it to open the Properties dialog box.
Select the Driver tab.
Click the Update Driver button and follow the instructions.
In most cases, you will need to reboot your computer in order 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.