model: Inspiron 15R 5521(model id: 1710)
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?
no
year of commercialization:
2012
compatibility with free software:
C-silver 
tested on:
Trisquel 7.0 Belenos
tested with the following kernel libre:
3.13.0-39-lowlatency
video card model:
Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) (works with 3D acceleration)
wifi model:
Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 05) (it does not work)
webcam model:
Laptop_Integrated_Webcam_HD (it works)
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