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HP EliteBook 850 G1

Introduction

I got this laptop to replace an old HP NC8430: Linux works perfectly, as usual there's some trouble with the graphics card (an AMD Radeon HD 8750M), but using the opensource drivers, everything works perfectly.

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Specifications

For full specifications see the HP EliteBook 850 G1 specifications page.

NameHP EliteBook 850 G1
Processor Intel® Core™ i7-4600U with Intel HD 4400 (2,1GHz (turbo 3.2GHz), 4MB cache, 4 core)
Screen15.6“ diagonal LED-backlit FHD WVA anti-glare (1920 x 1080)
RAM8 GB SDRAM DDR3L at 1600 MHz (2 x 4 GB)
HDD500 GB 7200RPM
Optical DriveNone
Graphics AMD Radeon HD 8750M (1GB GDDR5)
Network10/100/1000
Broadcom 802.11a/b/g/n (2×2)

Linux Compatibility

DeviceCompatibilityComments
ProcessorYesintel_pstate=enable
ScreenYes
HDDYes
Graphics ChipYesSuspend/resume trouble with fglrx, perfect with Open Source driver
VGA OutYes
Display PortYes
SoundYes
MicrophoneYes
Headphone PortYes
Microphone-In PortYes
Ethernet Yes
Wireless Yes
Bluetooth Yes Mouse lag and discconnect, fixed setting autosuspend_delay_ms to -1 value, see here.
WWANYes
USBYes
Smartcard ReaderYes
Card ReaderYes
Fingerprint ReaderYes
WebcamYes
KeyboardYes
TouchPadYes
Docking StationNot Tested
Suspend/ResumeYesNot with fglrx

Notes

Tested on Ubuntu 14.04 64bit. I'm installed two tweaks: thermald and tlp with this command

sudo add-apt-repository ppa:linrunner/tlp
sudo apt-get update
sudo apt-get install tlp tlp-rdw thermald
sudo tlp start

and putting intel_pstate=enable on GRUB_CMDLINE_DEFAULT in /etc/default/grub

Summary

Linux Ubuntu 14:04 works perfectly without any modification. To increase the battery life you must enable p_state in kernel parameters and enable the power-saving feature by installing the TLP.


Discussion

Steffen, 2014/06/16 14:42

For the webcam you have to enable the Linux kernel configuration option “USB Video Class (UVC)” (CONFIG_USB_VIDEO_CLASS).

Riccardo, 2014/05/02 12:09

Were you able to get the built-in Webcam working? Mine is not detected :-(

Additionally, the “mute mic” button light (on the F8 key) is always on. You have the same issue?

Steffen, 2014/05/30 14:55

HP EliteBook 840 G1 user here. Enable CONFIG_SND_JACK=y, CONFIG_SND_HDA_INPUT_JACK=y and CONFIG_SND_HDA_CODEC_SIGMATEL=y (maybe the last one is enough).

Claudio Bizzarri, 2014/06/06 09:21

The LED of the microphone is switched on initially but then changes state according to the actual setting of the ALSA mixer. The key FN + F8 does not work.

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hp_elitebook_850_g1.txt · Last modified: 2014/06/17 15:15 by claudio.bizzarri
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