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How can I get Wifi working in Ubuntu 14.04 LTS?

I have a Broadcom BCM43142 WLAN card.

The additional drivers tab does detect the network driver but the wifi still does not work and doesnot show up at the top right menu options

I know this question has been posted here about a million times. I have tried everything.

Funky Panda
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    Possible duplicate of Installing Broadcom Wireless Drivers – Pilot6 Feb 16 '16 at 15:20
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    What "everything" did you try? – Pilot6 Feb 16 '16 at 15:20
  • Read the webpage to which Pilot6 linked. In the Additional Drivers-tab you should have an option to install the recommended drivers. Try that first. You need an Ethernet cable from your computer to your internet source though, since Ubuntu will try to download the driver packages from the internet. – theodorn Feb 16 '16 at 20:46
  • @Pilot6 I did try the additional driver tab. It shows my driver but an error saying my dkms package has crashed and the wifi doesnot work. i also have tried the link you provided did not work open to more suggestions – Funky Panda Feb 17 '16 at 09:11

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Try installing the official wl driver after connecting to a wired network:

$ sudo apt-get -y install bcmwl-kernel-source

antivirtel
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nikhilweee
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