Dell Inspiron 3421 Driver Download (Official)

Dell Drivers

The Inspiron 3421 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 version of "Network_Driver_K21VK_WN_9.2.0.512_A02.EXE" has been downloaded 64 times with a user rating of 1 out of 5 stars, based on 6 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 175.3 MB.

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Dell Inspiron 3421 Automatic Driver Update Utility
6 Ratings
64 Downloads

Supported Models

Inspiron 3421

Atheros Bluetooth Bus

Atheros Valkyrie BootROM

Bluetooth A2DP Sink

Bluetooth A2DP Source

Bluetooth AV Remote Control Target

Bluetooth AVRCP Device

Bluetooth Advanced Remote Control Service

Manufacturers

Dell

Atheros

Supported Operating Systems

Windows 7, Windows 7 (64 bit)

File Name

Versions

9.2.0.512 (30-Sep-2015)

Additional Notes

Bluetooth Driver File

Uploaded By

Sharmila (DG Staff Member) on 20-Sep-2017

How to Update Inspiron 3421 Device Drivers

Step 1 - Download Your Driver

To get the Inspiron 3421 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 Inspiron 3421 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
Config.ini 112 bytes 3 Sep 2012
Desc.xml 362 bytes 11 Dec 2012
Install_CD/0x0401.ini 19.0 KB 20 May 2009
Install_CD/0x0402.ini 23.5 KB 21 Apr 2009
Install_CD/0x0404.ini 10.3 KB 21 May 2009
Install_CD/0x0405.ini 22.2 KB 20 May 2009
Install_CD/0x0406.ini 22.8 KB 20 May 2009
Install_CD/0x0407.ini 24.7 KB 20 May 2009
Install_CD/0x0408.ini 26.1 KB 18 Mar 2009
Install_CD/0x0409.ini 21.5 KB 21 May 2009
Install_CD/0x040a.ini 24.0 KB 20 May 2009
Install_CD/0x040b.ini 21.6 KB 18 Mar 2009
Install_CD/0x040c.ini 25.0 KB 20 May 2009
Install_CD/0x040d.ini 18.1 KB 16 Mar 2009
Install_CD/0x040e.ini 22.3 KB 18 Mar 2009
Install_CD/0x0410.ini 23.8 KB 20 May 2009
Install_CD/0x0411.ini 14.4 KB 8 Jun 2009
Install_CD/0x0412.ini 13.5 KB 16 Mar 2009
Install_CD/0x0413.ini 23.8 KB 20 May 2009
Install_CD/0x0414.ini 22.8 KB 20 May 2009
Install_CD/0x0415.ini 23.1 KB 20 May 2009
Install_CD/0x0416.ini 23.0 KB 20 May 2009
Install_CD/0x0418.ini 23.5 KB 20 May 2009
Install_CD/0x0419.ini 22.3 KB 20 May 2009
Install_CD/0x041a.ini 22.4 KB 20 May 2009
Install_CD/0x041b.ini 22.4 KB 20 May 2009
Install_CD/0x041d.ini 22.2 KB 20 May 2009
Install_CD/0x041e.ini 21.6 KB 18 Mar 2009
Install_CD/0x041f.ini 22.0 KB 20 May 2009
Install_CD/0x0424.ini 22.7 KB 20 May 2009
Install_CD/0x0804.ini 10.3 KB 21 May 2009
Install_CD/0x0816.ini 23.6 KB 20 May 2009
Install_CD/0x0c04.ini 10.3 KB 21 Jun 2012
Install_CD/0x0c1a.ini 22.7 KB 18 Mar 2009
Install_CD/ISSetup.dll 580.7 KB 6 Nov 2012
Install_CD/data1.cab 130.9 MB 6 Nov 2012
Install_CD/data2.cab 27.9 MB 6 Nov 2012
Install_CD/default.ath 143 bytes 2 May 2012
Install_CD/layout.bin 1.0 KB 6 Nov 2012
Install_CD/setup.exe 806.5 KB 6 Nov 2012
Install_CD/setup.ini 1.5 KB 6 Nov 2012
Install_CD/setupconfig.ini 1.6 KB 17 Oct 2012
Setup_MUP.exe 194.2 KB 3 Sep 2012
drivers/production/Windows7-x64/Bluetooth-Driver/BthAthFax.inf 13.8 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/Bthci.dll 21.0 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/DIFxAPI.dll 525.8 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/WdfCoInstaller01009.dll 1.7 MB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/athdfu.cat 7.6 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/athdfu.inf 1.9 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/athdfu.sys 52.4 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/atheros_bth.cat 7.9 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/atheros_bth.inf 5.1 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/athrextx.cat 46.0 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/athrx.sys 2.2 MB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_a2dp.cat 8.0 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_a2dp.inf 7.0 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_a2dp.sys 341.1 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_avdt.sys 111.2 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_bus.cat 7.5 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_bus.inf 2.0 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_bus.sys 30.8 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_flt.cat 19.0 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_flt.inf 13.8 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_flt.sys 36.5 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_hcrp.cat 8.0 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_hcrp.inf 2.8 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_hcrp.sys 168.1 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_hid.cat 7.5 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_hid.inf 2.3 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_hid.sys 358.3 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_lwflt.cat 7.5 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_lwflt.inf 2.4 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_lwflt.sys 68.7 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_rcp.cat 7.7 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_rcp.inf 2.3 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_rcp.sys 281.7 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_sco.cat 7.5 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_vdp.cat 8.0 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_vdp.inf 3.3 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btath_vdp.sys 422.1 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btatherosInstall.exe 69.2 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btfaxmdm.cat 7.5 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/btfilter.sys 551.0 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/bthathfax.sys 75.9 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/leath_hid.cat 7.7 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/leath_hid.inf 3.0 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/leath_hid.sys 36.6 KB 16 Oct 2012
drivers/production/Windows7-x64/Bluetooth-Driver/netathrx.inf 320.4 KB 16 Oct 2012
drivers/production/Windows7-x64/WLAN-Driver/athrextx.cat 8.5 KB 6 Nov 2012
drivers/production/Windows7-x64/WLAN-Driver/athrx.sys 2.8 MB 23 Oct 2012
drivers/production/Windows7-x64/WLAN-Driver/netathrx.inf 18.4 KB 6 Nov 2012
drivers/production/Windows7-x86/Bluetooth-Driver/BthAthFax.inf 13.8 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/Bthci.dll 21.0 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/DIFxAPI.dll 319.5 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/WdfCoInstaller01009.dll 1.5 MB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/athdfu.cat 7.6 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/athdfu.inf 1.9 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/athdfu.sys 44.2 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/atheros_bth.cat 7.9 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/atheros_bth.inf 5.1 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/athr.sys 1.7 MB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/athrext.cat 46.0 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_a2dp.cat 8.0 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_a2dp.inf 7.0 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_a2dp.sys 299.6 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_avdt.sys 98.4 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_bus.cat 7.5 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_bus.inf 2.0 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_bus.sys 25.7 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_flt.cat 19.0 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_flt.inf 13.8 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_flt.sys 36.0 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_hcrp.cat 8.0 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_hcrp.inf 2.8 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_hcrp.sys 148.1 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_hid.cat 7.5 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_hid.inf 2.3 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_hid.sys 316.2 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_lwflt.cat 7.5 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_lwflt.inf 2.4 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_lwflt.sys 60.5 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_rcp.cat 7.7 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_rcp.inf 2.2 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_rcp.sys 264.7 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_sco.cat 7.5 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_vdp.cat 8.0 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_vdp.inf 3.3 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btath_vdp.sys 412.9 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btatherosInstall.exe 67.2 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btfaxmdm.cat 7.5 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/btfilter.sys 469.6 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/bthathfax.sys 59.5 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/leath_hid.cat 7.7 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/leath_hid.inf 2.9 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/leath_hid.sys 32.4 KB 16 Oct 2012
drivers/production/Windows7-x86/Bluetooth-Driver/netathr.inf 318.9 KB 16 Oct 2012
drivers/production/Windows7-x86/WLAN-Driver/athr.sys 2.2 MB 23 Oct 2012
drivers/production/Windows7-x86/WLAN-Driver/athrext.cat 8.5 KB 6 Nov 2012
drivers/production/Windows7-x86/WLAN-Driver/netathr.inf 18.3 KB 6 Nov 2012
install.bat 37 bytes 11 Dec 2012
mup.xml 6.2 KB 10 Jan 2013
package.xml 21.2 KB 16 Jan 2013
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