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# HP EliteBook 745 G4

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Reason: Stub (Discuss in Talk:HP EliteBook 745 G4)

Hardware | PCI/USB ID | Working?
--- | --- | ---
Bluetooth |  | Yes
Webcam |  | Yes
Ethernet |  | Yes
Wi-Fi |  | Yes
GPU (AMD) |  | Yes
Touchpad |  | Yes
Pointing stick |  | Yes
Keyboard |  | Yes
TPM |  | Yes
Fingerprint reader |  | No
SD-card reader |  | Yes
Speakers |  | Yes
Microphone |  | Yes
Smartcard Reader |  | Yes
4G modem |  | Yes
Dock |  | Yes

## Function keys

Key | Visible?1 | Marked?2 | Effect
--- | --- | --- | ---
`Fn+ESC` | Yes | No | `XF86AudioMicMute`
`Fn+F1` | Yes3 | Yes | `XF86Sleep`
`Fn+F3` | No | Yes | Adjust keyboard backlight (HIGH->LOW->OFF)
`Fn+F4` | Yes | Yes | `XF86Display`
`Fn+F5` | Yes | Yes | `XF86MonBrightnessDown`
`Fn+F6` | Yes | Yes | `XF86MonBrightnessUp`
`Fn+F8` | Yes | Yes | `XF86AudioLowerVolume`
`Fn+F9` | Yes | Yes | `XF86AudioRaiseVolume`
`Fn+F10` | Yes | Yes | `XF86AudioMicMute`
`Fn+F12` | Yes | Yes | `Num_Lock`

1. The key is visible to `xev` and similar tools
2. The physical key has a symbol on it, which describes its function
3. systemd-logind handles this by default

## Smartcard Reader

Works perfectly with opensc . Read Smartcards for more info.

## 4G modem

Works fine, can be controlled via nmcli / nmtui or GNOME settings.

Tested with HP lt4132, but lt4120 and hs3210 should be supported too. (Check manual for more information)

## See also

- Specifications: https://web.archive.org/web/20231008181526/https://support.hp.com/us-en/document/c05350207
- Product support page: https://support.hp.com/us-en/product/setup-user-guides/hp-elitebook-745-g4-notebook-pc/model/11084776
- Official service manual: https://web.archive.org/web/20250723094402/https://h10032.www1.hp.com/ctg/Manual/c05366628.pdf
- Linux-hardware probes: https://linux-hardware.org/?probe=8a9290f8a1

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- HP

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HP EliteBook 745 G4
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