Dell Latitude 3420 - ArchWiki

Jump to content

# Dell Latitude 3420

From ArchWiki

Hardware | PCI/USB ID | Working?
--- | --- | ---
Touchpad |  | Yes
Keyboard |  | Yes
GPU | `8086:9a49` | Yes
Webcam | `0c45:6d1a` | Yes
Microphone |  | Yes
Ethernet | `10ec:8168` | Yes
Wifi | `8086:a0f0` | Yes
Bluetooth | `8087:0026` | Yes
SD-card reader |  | Untested
Audio | `8086:a0c8` | Yes
Fingerprint reader | `27c6:639c` | Untested
TPM |  | Untested

## 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 : `F2`
- Boot Menu: `F12`

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 xf86-video-intel, mesa, vulkan-intel.

## 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
--- | --- | --- | ---
`Fn+Esc` | No | Yes | Enables Fn lock
`Fn+F1` | Yes | Yes | `XF86AudioMute`
`Fn+F2` | Yes | Yes | `XF86AudioLowerVolume`
`Fn+F3` | Yes | Yes | `XF86AudioRaiseVolume`
`Fn+F4` | Yes | Yes | `XF86AudioPlay`
`Fn+F5` | Yes | Yes | Enables/disables keyboard backlight
`Fn+F6` | Yes | Yes | `XF86MonBrightnessDown`
`Fn+F7` | No | Yes | `XF86MonBrightnessUp`
`Fn+F8` | Yes | Yes | Inputs `Super+p`
`Fn+F9` | No | No | Unmarked keybinds
`Fn+F10` | Yes | Yes | `PrintScreen`
`Fn+F11` | Yes | Yes | `Home`
`Fn+F12` | Yes | Yes | `End`
`Fn+Right Ctrl` | No | Yes | Contextual menu
`Fn+Up` | Yes | Yes | `PageUp`
`Fn+Down` | Yes | Yes | `PageDown`

1. The key is visible to `xev` and similar tools
2. The physical key has a symbol on it, which describes its function

Category:

- Dell