Dell Inspiron 14 3420

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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.

Hardware Details

lspci output:

00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM Controller (rev 09)
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)
00:16.0 Communication controller: Intel Corporation 7 Series/C210 Series Chipset Family MEI Controller #1 (rev 04)
00:1a.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 (rev 04)
00:1b.0 Audio device: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller (rev 04)
00:1c.0 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 1 (rev c4)
00:1c.3 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 4 (rev c4)
00:1c.5 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI Express Root Port 6 (rev c4)
00:1d.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 (rev 04)
00:1f.0 ISA bridge: Intel Corporation HM75 Express Chipset LPC Controller (rev 04)
00:1f.2 SATA controller: Intel Corporation 7 Series Chipset Family 6-port SATA Controller [AHCI mode] (rev 04)
00:1f.3 SMBus: Intel Corporation 7 Series/C210 Series Chipset Family SMBus Controller (rev 04)
07:00.0 Network controller: Broadcom Corporation BCM43142 802.11b/g/n (rev 01)
09:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller (rev 05)

lsusb:

Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 004: ID 0c45:6473 Microdia 
Bus 001 Device 003: ID 0a5c:21d7 Broadcom Corp. BCM43142 Bluetooth 4.0
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Installation

See Category:Getting and installing Arch

Hardware

Audio

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.

Video

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

Keyboard

Keyboard worked out of the box.

Touchpad

Touchpad worked out of the box. 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.

Wireless

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

See: Wireless network configuration.

Toggle between HDMI/Monitor

See xrandr.

USB, SD card slot, ethernet, VGA, HDMI, webcam

All work out of the box.