installing broadcom 802.11 driver problems

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Answer: 1

36 hours ago

I have a very poor signal with unstable connection on my BCM43142 wireless adapter. when I installed ubuntu for first time I had bcmwl-kernel-source driver by default installed and I chose it in software&update window which gives poor signal and low speed. I also was able to install wireless-bcm43421-oneiric-dkms by a .deb file but not uninstall the previous one and that is still in the list of additional drivers, I did unselect that and chose wireless-bcm43421-oneiric-dkms after reboot there is no WiFi option to enable. now I decided to install broadcom-sta-6.30. in the requirements README file of the package it says; On Ubuntu, you will need headers and tools. Try these commands:

# sudo apt-get install build-essential linux-headers-generic
# sudo apt-get build-dep linux

but on build-dep Is receive :

Reading package lists... Done
E: Unable to find a source package for linux

also after that the Build instruction is complicated to me as I am new to Linux and Ubuntu what should I do with the Error first, has anyone had the same problem as me with the WiFi adapter ? what is the best driver for BCM43142 [14e4:4365]

Added by: Vidal Reynolds

Answer: 2

7 hours ago

You need to have the source code repos activated in your sources.list. You can do that in the software and updates app, or manually edit it by doing sudo vim /etc/apt/sources.list and uncommenting the lines by removing the # signs. They start with deb-src.

Also, you should run this command to get the headers to avoid pulling in unneeded stuff:sudo apt-get build-dep --no-install-recommends linux

Added by: Amira Barrows

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