how to install firmware for wifi when lan is not working

[Abhishek Dixit]

On Fri, Sep 16, 2011 at 7:21 PM, Ioannis Vranos
<ioannis.vranos at gmail.com> wrote:
> On Fri, Sep 16, 2011 at 12:42 PM, Abhishek Dixit <abhidixit87 at gmail.com> 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
>
>
> Install package linux-firmware-nonfree.
Thats is what I want to know how do I install this when I am not
connected to any network I do not have a LAN connectivity only Wifi
and Wireless does not have drivers?


-- 
Regards
Abhi