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notebook HP ENVY 4 Notebook PC
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model: HP ENVY 4 Notebook PC(model id: 1182)
subtype (notebook, netbook, motherboard, tablet):
notebook
vendor:
Hewlett Packard
architecture:
x86-64/amd64
does it have a free boot firmware (BIOS,UEFI,...) ?
no
can free operating systems be installed?
yes
does the device prevent installing wifi cards not-approved by the vendor?
yes (see the details inside the description entry)
year of commercialization:
2012
compatibility with free software:
C-silver
tested on:
Trisquel 6.0 Toutatis
tested with the following kernel libre:
3.5.0-31-generic
3.8.10-generic
video card model:
Intel HD 3000 Series (works with 3D acceleration)
wifi model:
Broadcom Corporation BCM4313 802.11b/g/n (it does not work)
webcam model:
(it works)
Description:

The notebook works fine included the 3d acceleration, but the internal wifi isn't work with free software, and the BIOS has a whitelist of internal wifi cards that can be used.

To configure 5.1 sound in PulseAudio sound server you need to add the following lines to the file /etc/pulse/daemon.conf: 

default-sample-channels = 6
default-channel-map = front-left,front-right,rear-left,rear-right,front-center,lfe

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