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I'm using kernel 3.3.2-6.fc16.x86_64 and I have a Broadcom 4312.

When I run iwconfig, I get the following:

lo        no wireless extensions.
p2p1      no wireless extensions.

I cannot use wireless, I have to use cable. How can I get my wireless network adapter up and running?

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did you have wireless working previously on this computer? previously on Fedora 16? –  onefiftyfour Apr 28 '12 at 18:50

2 Answers 2

Some changes happened recently with these drivers. Try to put the firmware bcm43xx-0.fw in/lib/firmware/brcm, if they are not already present there (maybe using symlinks). Try then modprobe brcmsmac.

Or you may wait for the next system update, which hopefully will fix the mess by itself.

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Have you tried booting with one of the older kernels?

When you boot, fedora gives you the option of booting from a few prior kernels.

If wireless works from a prior kernel, you can then wait for another kernel update and see if wireless works with that kernel.

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how to boot with an older kernel, because on grub boot, i see only 3.3 –  Noor Apr 28 '12 at 17:39
    
on my machine I have these available:3.3.2-6.fc16.x86_64 , 3.3.2-1.fc16.x86_64 , 3.3.1-5.fc16.x86_64 . They are all 3.3 also. –  onefiftyfour Apr 28 '12 at 18:52
    
What Fedora does is to keep older kernels (by default 3). If you just installed, you'll only see one. –  vonbrand Jan 24 '13 at 11:12

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