Issuing lspci -vnn gave me this (relevant) output:
08:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n
[14e4:4365] (rev 01)
I don't know how to proceed in order to get it working. Help on this is appreciated.
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gertvdijk
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Sonjay Singh
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1Are you sure it is BCM43142 and not BCM4312 ? – To Do Dec 03 '12 at 16:00
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Please check here: http://askubuntu.com/questions/215890/dell-inspiron-5720-wifi-broadcom-bcm43142-ubuntu-12-10 – chili555 Dec 03 '12 at 16:01
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i tried installing Broadcom Corporation BCM43142 from software center but dint fix at all – Sonjay Singh Dec 31 '12 at 10:41
3 Answers
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$ lspci -vvnn | grep 14e4
08:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01)
download this file: http://jas.gemnetworks.com/debian/pool/main/w/wireless-bcm43142/wireless-bcm43142-dkms_6.20.55.19-1_amd64.deb
sudo apt-get install linux-headers-generic build-essential dkms
navigate to the folder you have saved the downloaded file and run this command.
sudo dpkg -i wireless-bcm43142-dkms_6.20.55.19-1_amd64.deb
i tried this but i was to fix : lo no extension
Eric Carvalho
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Please, edit your own question if you want to add more details. – Andrea Corbellini Jan 29 '13 at 15:06
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For my dell 5520 inspiron 15 R
1) connect to the internet via USB tethering with a smartphone.
2) Update with sudo apt update
3) Reboot
4) Find Additional Drivers and you will find wifi driver is not in use. Select Wireless Driver. (Only after full update of Ubuntu 14).
5) it will take 3 min to change settings, and your wifi will start working.
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This is how I solved the problem in my Dell Inspiron 5520 laptop. Once you have the dkms mentioned above you need to download and install BroAdcom STA. There are two ways of doing this
- Search for Brodcom STA driver in http://pkgs.org and use
dpkgcommand to install - The best way is to connect to ethernet and from your additional drivers list enable Brodcom STA wireless driver
