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I installed Linux Mint 12 on my Dell Studio 15 and everything worked perfectly up until I tried updating the STA Driver for the Broadcom (BCM4312) wireless controller.

I've tried these bash commands in order and I still don't have wireless.

sudo apt-get install b43-fwcutter
sudo apt-get install b43-fwcutter firmware-b43-installer

I've also tried uninstalling everything with synaptic package manager including broadcom-sta-common and broadcom-sta-source, then restarting and running the above commands which didn't work either.

What's the best way to do this on a Dell Studio 15?

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could you make an answer out of your solution and accept it? – Baarn Apr 9 '12 at 19:48

Solved: I found this thread in linuxmint forums. This solution is meant for LMDE but I can confirm it works with KDE as well.

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I was able to do something similar using Ubuntu on my Dell Inspiron using Synaptic Package Manager, however I had to browse inside of the GUI of SPM to get it done.

I had to plug into an ethernet jack to get internet access. I also updated the OS via an update manager and restarted...

When I opened up SPM, I searched for broadcom drivers, and doing so I could only get results for searching "bcm". A few things would show up including bcd-kernel (something similar to this) and also something along the lines of firmware installer & fwcutter.

I uninstalled and reinstalled these (sometimes it appeared they were installed, for some reason) then upon restarting the system, my wireless card could access networks.

I hope you figure it out. This was really frustrating for me.

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