Dell Latitude 3420

HardwarePCI/USB IDWorking?
TouchpadYes
KeyboardYes
GPU8086:9a49Yes
Webcam0c45:6d1aYes
MicrophoneYes
Ethernet10ec:8168Yes
Wifi8086:a0f0Yes
Bluetooth8087:0026Yes
SD-card readerUntested
Audio8086:a0c8Yes
Fingerprint reader27c6:639cUntested
TPMUntested

Accessibility

The appearance of the BIOS is pretty simple and not very colorful, so it might work well with OCR software. However, it requires the user to use a mouse.

Note: Blind users should request the help of a sighted person to change firmware settings.
  • System Setup :
  • Boot Menu:

From the official manual see Navigation keys.

Firmware

fwupd supports update for those devices:

  • Touchpad
  • Fingerprint sensor
  • NVMe drive
  • System firmware
  • TPM
  • UEFI device firmware
  • USB host controller

Video

For better video support install , , .

Audio

Sound and microphone requires the installation of sof-firmware to work, else no card / output device will be detected.

Function keys

Key Visible?1 Marked?2 Effect
YesEnables Fn lock
YesYes
Fn+F2YesYes
YesYes
YesYes
Fn+F5YesYesEnables/disables keyboard backlight
YesYes
Yes
YesYesInputs Super+p
Unmarked keybinds
YesYes
YesYesHome
YesYes
YesContextual menu
YesYes
YesYes
  1. The key is visible to xev and similar tools
  2. The physical key has a symbol on it, which describes its function
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