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# HP ProBook 4330s

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Reason: Hardware table needs IDs, a function keys section should also be added (Discuss in Talk:HP ProBook 4330s)

Hardware | PCI/USB ID | Working?
--- | --- | ---
GPU |  | Yes
Audio |  | Yes
Ethernet |  | Yes
Wireless |  | Yes
Bluetooth |  | Untested
Touchpad |  | Yes
Card reader |  | Yes
Webcam |  | Yes

## Fan throttling

The fan can be controlled (throttled) in software, otherwise it never shuts off, even if the BIOS option "Fan always on while on AC power" is disabled. There are two programs supporting the 4330s:

- NoteBook FanControl
- probook_ec.pl script daemonized in Python and in Ruby

## Synaptics Touchpad

The xf86-input-synaptics driver is needed (see Touchpad Synaptics) for the touchpad to work, but the pointstick works out of the box.

## WLAN BIOS whitelist

HP BIOS allows only certain WLAN cards (whitelisting) to be used. This can be worked around by adding the following as the first GRUB command in every OS entry:

    write_dword 0xFED1F418 0x1F501FEB

You can read more on engineering this hack on an archive of its author blog.

## See also

- Linux User Guide[dead link 2023-05-07—domain name not resolved]
- Maintenance and Service Guide

Category:

- HP

Hidden categories:

- Pages or sections flagged with Template:Laptop style
- Pages with dead links

HP ProBook 4330s
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