Dell Latitude 3420
| 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
|
- The key is visible to
xevand similar tools - The physical key has a symbol on it, which describes its function