Dell Inspiron 14 3420

From ArchWiki
Hardware PCI/USB ID Working?
Touchpad Yes
Keyboard Yes
GPU 8086:0166 Yes
Webcam 0c45:6473 Yes
Ethernet 10ec:8136 Yes
Bluetooth 0a5c:21d7 Yes
SD-card reader Yes
Audio 8086:1e20 Yes
Wireless 14e4:4365 Yes

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Reason: Misses the Accessibility, Firmware and "Function keys" sections. (Discuss in Talk:Dell Inspiron 14 3420)

This is an install and configuration guide for the Dell Inspiron 3420 laptop, testing with the 2016.09.03 version.

See the Laptop/Dell chart for information on other Dell laptops.


There are two options to get audio working: ALSA and PulseAudio. With ALSA the sound works well, both headphone jacks work and volume can be set independently. With Pulse Audio you will generally get better quality and louder sound.


The notebook comes with the Intel HD 4000 GPU, which uses the xf86-video-intel driver. See Intel for details.

Toggle between HDMI/Monitor

See xrandr.


To enable scroll and more, install xf86-input-synaptics. With the default configuration file it will work well, but if you want to fine tune the behavior.

See: Touchpad Synaptics.


This laptop comes Broadcom Corporation BCM43142 wireless card, which requires broadcom-wl-dkms

See: Wireless network configuration.