Tuesday, March 19, 2019

wireless - Alienware 17 R4 Ubuntu 16.04 WiFi driver


I have installed Ubuntu 16.04 on my new Alienware 17 R4 laptop that comes with Killer 1550 WiFi network card. Currently I am running on LAN cable to connect to the internet but would very much like to make use of my WiFi card. I have tested that it works well in Windows 10.


How do I get Killer 1550 installed on Alienware 17 R4?


The following are my outputs from sudo lshw -C network:


hello@world:~$ sudo lshw -C network
*-network
description: Ethernet interface
product: Qualcomm Atheros
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:3c:00.0
logical name: enp60s0
version: 10
serial: 10:65:30:fd:d6:35
size: 100Mbit/s
capacity: 1Gbit/s
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi msix bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=alx duplex=full ip=192.168.1.92 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s
resources: irq:16 memory:dd300000-dd33ffff ioport:d000(size=128)
***-network UNCLAIMED
description: Network controller
product: Intel Corporation
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:3d:00.0
version: 29
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix cap_list
configuration: latency=0
resources: memory:dd200000-dd203fff**

I can certainly use my ethernet hence I believe I do have the Qualcomm Atheros driver. Probing further on my network controller (WiFi card?):


hello@world:~$ lspci -knn | grep Net -A2
3d:00.0 Network controller [0280]: Intel Corporation Device [8086:2526] (rev 29)
Subsystem: Bigfoot Networks, Inc. Device [1a56:1550]
3e:00.0 Non-Volatile memory controller [0108]: Toshiba America Info Systems Device [1179:0116]
Subsystem: Toshiba America Info Systems Device [1179:0001]

In case this could be of any useful information, my current linux kernel is:


hello@world:~$ uname -r
4.13.0-37-generic

Thank you all for reading and your kind assistance in getting my wifi to work!


P.S.: I tried suggestions found here Wifi not working in Ubuntu 16.04 LTS on an Alienware 17 R4 but it doesn't work for me.



Intel recently added the VID and PID to their backports, to install


sudo apt-get install git
git clone https://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/backport-iwlwifi.git
cd backport-iwlwifi
make defconfig-iwlwifi-public
sed -i 's/CPTCFG_IWLMVM_VENDOR_CMDS=y/# CPTCFG_IWLMVM_VENDOR_CMDS is not set/' .config
make -j4
sudo make install

Reboot and if the wireless doesn't work, in terminal dmesg | grep iwl | nc termbin.com 9999 and post the URL from terminal in a comment as we made need to get firmware from upstream

After a kernel update you will need to


cd backport-iwlwifi
make clean
make defconfig-iwlwifi-public
make -j4
sudo make install

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