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There likely is an answer for this out there, but unfortunately I have tried for 3-4 hours and cannot get any common solution to work. I am in a situation where I need to run Ubuntu 14.04, and cannot upgrade, but cannot get wifi to work with my laptop. I had initially used Ubuntu 16.04 but was forced to downgrade as I could not get an old version of PHP (5.5.9) to work correctly with Apache2.

$ lspci -knn | grep Net -A2

05:00.0 Network controller [0280]: Intel Corporation Device [8086:24fb]               (rev 10)    
Subsystem: Intel Corporation Device [8086:2110]

$ lshw -C network

*-network               
       description: Ethernet interface
       product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: eth0
       version: 15
       serial: 48:ba:4e:41:d4:57
       size: 1Gbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix bus_master cap_list ethernet         physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8168h-2_0.0.2 02/26/15 ip=192.168.0.21 latency=0 link=yes multicast=yes port=MII speed=1Gbit/s
   resources: irq:130 ioport:3000(size=256) memory:b4104000-b4104fff memory:b4100000-b4103fff
  *-network UNCLAIMED
   description: Network controller
   product: Intel Corporation
   vendor: Intel Corporation
   physical id: 0
   bus info: pci@0000:05:00.0
   version: 10
   width: 64 bits
   clock: 33MHz
   capabilities: pm msi pciexpress cap_list
   configuration: latency=0
   resources: memory:b4000000-b4001fff

and the wireless-info script that is available here

Most solutions to fix this involve updating the kernel. The kernel I am currently running, gotten from:

$ uname -r

4.8.17-040817-generic

Any help is greatly appreciated and thank you for your time.

[edit]

$ rfkill list all

0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
Ben Hayward
  • 61

1 Answers1

0

So I had thought that Abdulla Nilam's solution had worked initially but it seems that it didn't necessarily, as after freshly installing, it did not work.

What ultimately worked was following this answer, but replacing yakkety with xenial.

sudo add-apt-repository ppa:canonical-kernel-team/ppa 
sudo apt update
sudo apt install linux-generic-lts-xenial
sudo add-apt-repository -r ppa:canonical-kernel-team/ppa

Reboot 

wget http://mirrors.kernel.org/ubuntu/pool/main/l/linux-firmware/linux/firmware_1.161_all.deb
sudo dpkg -i linux-firmware_1.161_all.deb

It is possible that part of Abdulla's answer did work however, because I rebooted after trying the above commands, had no change, and after following Abdulla's answer it did work... Of course I did the exact same on this install thinking it would work, so I have no way to tell what went on.

Ben Hayward
  • 61