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 :
- 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 |
|---|---|---|---|
| Yes | Enables Fn lock | ||
| Yes | Yes | ||
Fn+F2 | Yes | Yes | |
| Yes | Yes | ||
| Yes | Yes | ||
Fn+F5 | Yes | Yes | Enables/disables keyboard backlight |
| Yes | Yes | ||
| Yes | |||
| Yes | Yes | Inputs Super+p | |
| Unmarked keybinds | |||
| Yes | Yes | ||
| Yes | Yes | Home | |
| Yes | Yes | ||
| Yes | Contextual menu | ||
| Yes | Yes | ||
| Yes | Yes |
- The key is visible to
xevand similar tools - The physical key has a symbol on it, which describes its function
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