Dell XPS 15 L521X Driver Download (Official)

Dell Drivers

The XPS 15 L521X 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. This file update has an average rating of 5 out of 5 stars based on 3 reviews, and has been downloaded 11 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 136.5 MB.

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Dell XPS 15 L521X Automatic Driver Update Utility
3 Ratings
11 Downloads

Supported Models

XPS 15 L521X

ASUS Bluetooth

ASUS Bluetooth v2.1 USB Adapter

Askey Bluetooth Adapter

Atheros AR3011 Bluetooth 3.0

Atheros AR3011 Bluetooth 3.0 + HS Adapter

Atheros AR3011 Bluetooth(R) Adapter

Atheros AR3012 Bluetooth 3.0

Manufacturers

Dell

Atheros

Bigfoot Networks

Supported Operating Systems

Windows 7

File Name

Versions

A00.00 (9-Dec-2013)

Additional Notes

Wireless Driver File

Uploaded By

Sharmila (DG Staff Member) on 11-Aug-2017

How to Update XPS 15 L521X Device Drivers

Step 1 - Download Your Driver

To get the XPS 15 L521X 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 15 L521X 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 the new driver, proceed with installation. On Windows, use the built-in Device Manager utility to manage your system's devices and drivers. To access it:

  1. Right-click the Start button

  2. Select "Device Manager" from the menu

  3. Locate the device needing the update

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

  5. Follow the on-screen prompts to install

Once complete, restart your computer to ensure the new driver is fully implemented and functioning properly.

This process helps maintain your system's performance and compatibility with various hardware components.

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
Version.txt 534 bytes 18 Dec 2012
VersionsInThisBuild.txt 265 bytes 19 Nov 2012
drivers/preos/winpe3x-x86/e22W7x86.sys 137.1 KB 3 Jul 2012
drivers/preos/winpe3x-x86/e22w7x86.cat 7.4 KB 5 Jul 2012
drivers/preos/winpe3x-x86/e22w7x86.inf 23.2 KB 3 Jul 2012
drivers/production/Windows7-x86/ak27/Ak27x86.sys 2.7 MB 9 Jul 2012
drivers/production/Windows7-x86/ak27/ak27x86.cat 8.0 KB 12 Jul 2012
drivers/production/Windows7-x86/ak27/nak27x86.inf 71.7 KB 9 Jul 2012
drivers/production/Windows7-x86/athbt/BthAthFax.inf 13.8 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/athdfu.cat 7.6 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/athdfu.inf 1.9 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/athdfu.sys 51.9 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/atheros_bth.cat 13.1 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/atheros_bth.inf 19.2 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/btath_a2dp.cat 8.0 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/btath_a2dp.inf 7.0 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/btath_a2dp.sys 339.6 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/btath_avdt.sys 110.8 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/btath_flt.cat 18.9 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/btath_flt.inf 13.7 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/btath_flt.sys 36.0 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/btath_hcrp.cat 8.0 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/btath_hcrp.inf 2.8 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/btath_hcrp.sys 167.6 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/btath_lwflt.cat 7.6 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/btath_lwflt.inf 2.1 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/btath_lwflt.sys 68.3 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/btath_rcp.cat 7.5 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/btath_rcp.inf 2.3 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/btath_rcp.sys 281.0 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/btfaxmdm.cat 7.5 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/btfilter.sys 550.6 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/bthathfax.sys 75.4 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/bus/btath_bus.cat 7.5 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/bus/btath_bus.inf 2.0 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/bus/btath_bus.sys 30.4 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/leath_hid.cat 7.7 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/leath_hid.inf 3.0 KB 13 Feb 2012
drivers/production/Windows7-x86/athbt/leath_hid.sys 36.1 KB 13 Feb 2012
drivers/production/Windows7-x86/e22w7/e22W7x86.sys 137.1 KB 3 Jul 2012
drivers/production/Windows7-x86/e22w7/e22w7x86.cat 7.4 KB 5 Jul 2012
drivers/production/Windows7-x86/e22w7/e22w7x86.inf 23.2 KB 3 Jul 2012
mup.xml 5.3 KB 19 Nov 2012
setup.exe 135.1 MB 19 Nov 2012
setup.xml 5.3 KB 15 Nov 2012
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