Linked Questions

403 votes
43 answers
1.9m views

Installing Broadcom Wireless Drivers

I'm having serious problems installing the Broadcom drivers for Ubuntu. It worked perfectly on my previous version, but now, it is impossible. What are the steps to install Broadcom wireless drivers ...
163 votes
9 answers
256k views

Could not load 'vboxdrv' after upgrade to Ubuntu 16.04 (and I want to keep secure boot)

I upgrade from Ubuntu 15.10 to 16.04 and since then VirtualBox 5.0.18 isn't starting my VMs anymore. It complains that 'vboxdrv' isn't loaded. So I try to load it and get the following error: $ sudo ...
jans's user avatar
  • 1,915
102 votes
5 answers
267k views

Why do I get "Required key not available" when install 3rd party kernel modules or after a kernel upgrade?

This issue happens only on UEFI systems with enabled Secure Boot. When I try to install DKMS modules like VirtualBox, Nvidia, or Broadcom drivers, they do not install and I get Required key not ...
Pilot6's user avatar
  • 90.1k
79 votes
5 answers
91k views

Wireless networking not working after resume in Ubuntu 14.04

[Update]: The same problem exists in Kubuntu and is solved in the same manner. [Solved]: By applying the following command nmcli nm I got the following: Before suspend RUNNING STATE ...
Ossama Nasser's user avatar
13 votes
2 answers
35k views

Broadcom Wireless Drivers unclaimed after installing update 16.04

I recently updated my Lenovo Y50 computer to 16.04. Since the update, I have been unable to see or connect to any wireless networks. The output of running sudo lshw -C network is: *-network ...
doolitau's user avatar
  • 133
6 votes
1 answer
4k views

No more WIFI. oem-wifi-intel-iwlwifi doesn't build on the new 4.4 kernel

i have trouble with internal wifi card on my Dell Latitude 5590 runing Ubuntu 16.04 LTS. What happend before problem occured: I recieved notification that my laptop has updates, updated it, enrolled ...
nonForgivingJesus's user avatar
3 votes
1 answer
21k views

ubuntu 16.04 how to RE-enable wifi

There used to be a option "enable wifi" on the top-bar. However, I un-click that option and that option never pops out again. How can I RE-enable my wifi. Thanks a lot. I have try rfkill list all in ...
Joe Wang's user avatar
3 votes
3 answers
9k views

Ubuntu 18.04: No WiFi adapter found - secure boot disabled

I am using Lenovo T460 running 18.04.2 and kernel Linux 4.15.0-46-generic. The wireless settings shows "No Wi-Fi adapter found". I've disabled secure boot from start. I've tried to enable Wi-Fi again ...
tuxErrante's user avatar
2 votes
0 answers
363 views

Ubuntu 16.04 WiFi not working

I have tried almost everything to make my WiFi work. It just gets automatically disconnected and never gets connected unless restarted. Even sudo service network-manager restart doesn't work. Also my ...
Anurag's user avatar
  • 319
1 vote
1 answer
2k views

Wifi not working after 16.04 upgrade

I have an Asus 1015E-DS02 I've tried the solutions here to no avail. I've also tried the solutions on here and here even though my wifi hasn't worked at all since the upgrade. I'd also like to ...
rootmeanclaire's user avatar
1 vote
0 answers
55 views

No option for enabling wifi in ubuntu 16.04 after dualbooting it with Windows 10 in hp-Notebook [duplicate]

Its been a long searching for a solution to enable wifi in my hp-Notebook laptop after i dual booted ubuntu along with windows 10 but all in vain. Now before some of you downvote this question and ...
Reyansh Kharga's user avatar
1 vote
0 answers
2k views

Ubuntu 16.04 wifi button not turning on

I just installed Ubuntu 16.04 on a Compaq Presario CQ57 laptop (came out around 2012). The machine has a Realtek RTL8188CE wifi adapter. It's still going strong! However, now that I've switched to ...
cssidy's user avatar
  • 111
1 vote
0 answers
51 views

Wifi does not find any hotspots after updating to Ubuntu 16.04

I've installed Ubuntu on my laptop (Lenovo Yoga 13) recently and Wifi worked. Then I've upgraded from 15 to 16 and wifi seems to work, but just not finding anything anymore. Regarding to this ...
Armin's user avatar
  • 121
1 vote
0 answers
320 views

Ubuntu LTS 16, WiFi doesn't work

I currently switched to Ubuntu OS after having Windows for such a long time. The WiFi was not working on the windows OS either, I thought that perhaps switching could help. Unfortunately, I can only ...
Robert Miller's user avatar
0 votes
1 answer
812 views

Wi-Fi problem with Ubuntu 16.04 on Lenovo G50—45

I clean installed Ubuntu 16.04 today. All seems to be working fine except Wi-Fi. The drop down menu shows no Wi-Fi connection option. I did a rfkill list - Wireless LAN Soft blocked: no Hard ...
MIMO Rulz's user avatar

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