To begin with,if you already have bfwcutter installed, you need to reinstall it, please run: Install the bfwcutter package. Make sure you’re not having an unresolved linux-headers dependency, cf. You must go to http: I instead tried to install the firmware-binstaller following Luis Alvarado’s answer using firmware-binstaller is an alternative already pointed out in his post , and it worked! Run the following commands to get the Wifi properly working:

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Could it be a reason of my issue with wireless? So, in case it helps someone else in the same case as me, here is the necessary information: External Links Upstream b43 and b43legacy kernel driver http: Preparing the System If you have just installed Ubuntu, you will need to build an index of available packages before we can install your driver if you have not done jsb already: This should work well and in recent version of Ubuntu, Natty and Oneiric should “Just work”.

So I guess thanks are in order. I have just been using Linux for two weeks now so excuse my noobishness. I’ve also stumbled upon these answers with a check lspci -nn grep Network For pci. June 4th, 5.


HOWTO: Broadcom USB wifi drivers

The b43 infrastructure is composed of two parts. You must go to http: Identifying Your Broadcom BCM43xx Chipset With this information, you may assess what drivers are supported for your card, and how to switch to ubs different driver from the instructions below.

Type bcm in Ubuntu Software CenterInstall “Installer Package brodacom firmware for the b34 driver” firmware-binstaller Now it’s working wirelessly. I had to undo the extra steps of editing the blacklist file.

I enabled the ATI Raedon driver first then the Broadcom driver this lead to the errors mentioned above.

If you’re not running Natty or Oneiric, your kernel probably won’t have this driver. This is simply a script to extract and install the b43 driver firmware, maintained by the Ubuntu community.

If you’ve already installed it, remove it.

Operation not permitted cannot read device status, Operation not permitted Suggested by additional drivers. For anyone else who is getting the “wireless is disabled by hardware switch -a” message under wireless you’ll see it by clicking on the icon – and it’s “hard block”, that may work in any model that is working for me in netgear “wireless USB adapter”, haven’t checked the others, but it may work.

With this information you will be able to evaluate better what the source of the problem could be when you arrive at a dead end. Open Synaptic and use bfwcutter and firmware-blpphy-installer instead of bcmwl-kernel-source or any other.



Registration is quick, simple and absolutely free. Thanks ussb your valuable response. An Internet connection is required. Do you think the OP would experience the same problem despite the difference? Broadcom Limited BCM ID you found in the steps above, we then search in the list below to find the matching PCI.

BCMxx Wireless a/b/g/n

Now after running a command usbb lshw -C network I’ve got the following info: Back to top b43 – No Internet access If you do not have any other means of Internet access from Ubuntu, then you will have to download the firmware from another beoadcom with Internet access, from an existing OS on another partition, or before you install Ubuntu.

To lower or eliminate the dropping rate of your wireless device, try to position yourself where your wireless card can see only one router or at least one of the routers has a higher signal strength than the other one.

Linux – Hardware This forum is for Hardware issues. You can check it by running: I’m not sure if this has been resolved.