how to install firmware for wifi when lan is not working

Md Ashickur Rahman Noor ashickur.noor at
Fri Sep 16 10:17:55 UTC 2011

Do you have windows? If you have then goto
System-->Administration-->Hardware Drivers. You will see your hardware
listed to install driver. Click the active button. Then it will give you a
error message. There you will find the download link. Just download the file
and install.
Dedicated Linux Forum in
Thank you
Md Ashickur Rahman
Volunteer, Foundation for Open Source Solutions Bangladesh.

On Fri, Sep 16, 2011 at 3:42 PM, Abhishek Dixit <abhidixit87 at>wrote:

> I recently installed Ubuntu 11.04 on my laptop.
> Wireless is not working.
> I do not have a lan card working  so as to  connect to it and use.Any
> how I want to use the wifi so what do I need to install on it.
> I will need to download any thing in the windows OS only (my laptop is
> dual boot) and then install in Ubuntu.
> So how should I go on.
> lspci out put of my device is
> 0c:00.0 Network controller [0280]: Broadcom Corporation BCM4312
> 802.11b/g LP-PHY [14e4:4315] (rev 01)
>        Subsystem: Dell Wireless 1397 WLAN Mini-Card [1028:000c]
>        Flags: bus master, fast devsel, latency 0, IRQ 17
>        Memory at f69fc000 (64-bit, non-prefetchable) [size=16K]
>        Capabilities: <access denied>
>        Kernel driver in use: b43-pci-bridge
>        Kernel modules: ssb
> --
> Regards
> Abhi
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