model: HP 435(model id: 1187)
subtype (notebook, netbook, motherboard, tablet):
notebook
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:
not-specified
compatibility with free software:
C-silver 
tested on:
Trisquel 5.5 Brigantia
Trisquel 6.0 Toutatis
tested with the following kernel libre:
2.6.38
3.2.0-30
video card model:
ATI Radeon HD 4250 (works, but without 3D acceleration)
wifi model:
Atheros Communications Inc. AR9285 (it works)
Description:
Not work 3D acceleration and internal bluetooth (missing free firmware), but all else works fine.
I tried changing the internal wifi card and the notebook will not start, this notebook has a whitelist of internal wifi cards that can be used.
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