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I've been looking all around and I can't find a solution.

I had to run a package repair on my ubuntu 16.10 because it was stopping at the loading screen. After that I was able to log in, however I couldn't connect to the Internet anymore.

Also, It's a dual boot with a Windows 10. And I can connect to the internet through it and other devices.

I've seen many solutions saying that an update would do the trick, and people who could connect one way or the way were able to fix it. But since I can't I don't know what to do.

I've seen that people would usually ask for the same information, so here they are.

output of ifconfig

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        loop  txqueuelen 1  (Local Loopback)
        RX packets 1772  bytes 96280 (96.2 KB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 1772  bytes 96280 (96.2 KB)
        TX errors 0  dropped 0 overruns 0d  carrier 0  collisions 0

sudo lshw -C network

  *-network UNCLAIMED       
   description: Network controller
   product: QCA9377 802.11ac Wireless Network Adapter
   vendor: Qualcomm Atheros
   physical id: 0
   bus info: pci@0000:01:00.0
   version: 30
   width: 64 bits
   clock: 33MHz
   capabilities: pm msi pciexpress bus_master cap_list
   configuration: latency=0
   resources: memory:f7200000-f73fffff
*-network UNCLAIMED
   description: Ethernet controller
   product: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
   vendor: Realtek Semiconductor Co., Ltd.
   physical id: 0
   bus info: pci@0000:02:00.0
   version: 0c
   width: 64 bits
   clock: 33MHz
   capabilities: pm msi pciexpress msix vpd bus_master cap_list
   configuration: latency=0
   resources: ioport:e000(size=256) memory:f7400000-f7400fff memory:f2100000-f2103fff

iwconfig

lo        no wireless extensions.

Any help is appreciated! Thanks!

Sumeet Deshmukh
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Guiga
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3 Answers3

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I had the same problem recently. I installed a different wireless driver, than my wireless adapter required. After that, my iwconfig showed the same. No wireless extensions.

What you got there is loopback interface, which I don't know, why you haven't got there the wireless one as well, but try this. I fixed my problem by installing same kernel version that I got. That fixed and reinstalled some crucial things inside, and now everything works again.

Try it, but of course use your version of kernel, or that one you want!

In case you will use older version, you system might become unstable. If you will use the same one, the system will most probably, just reinstall the incorrect software, for that version of kernel, with correct ones. 

sudo apt install <version of your kernel>

Look up your version of kernel, on the Internet.

zx485
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Matej Uhlik
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'Unclaimed' typically means no driver has attached to the specific hardware. For the wired network maybe the solution could be found here: Realtek ethernet driver error ubuntu 16.04 with:

sudo apt-get install r8168-dkms

YOu can install this by downloading the package from another computer/boot-session unsing the URL:

http://mirrors.kernel.org/ubuntu/pool/universe/r/r8168/r8168-dkms_8.041.00-1_all.deb

Other Links can be found here: http://packages.ubuntu.com/de/xenial/all/r8168-dkms/download
Copy the package to an USB flash drive. Go to your Ubuntu Linux installation, plugin the USB Flash drive. You should see the mount on

/media/your_user_id/uuid-of-the-drive

use the command

sudo apt install PATH_TO_THE_DEB_FILE

to install the package. There could be dependencies to other packages. If so, please check ask Ubuntu for informations to resolve this (without internet access).
After a reboot you should be able to use your wired ethernet.

Community
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0x0C4
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Check witch module is missing

lspci -nn | grep Network

maybe try to reload it, maybe wl

sudo modprobe -r <name module>
sudo modprobe <name module>

Then check if the module is maybe blacklisted. Then let start the module at boot. Reboot.

lemrm
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