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I tried the steps here for a 4312: https://help.ubuntu.com/community/WifiDocs/Driver/bcm43xx

Both of these:

sudo modprobe -r b43 ssb wl
sudo modprobe wl

return:

FATAL: Module wl not found.
FATAL: Error running install command for wl (this one is only for the second one actually)

I tried the broadcom-sta, didn't work. What's confusing is down below in the next steps for STA with internet access it says to use the bcmwl one. So I install that and it succeeds but with some errors:

sudo apt-get install bcmwl-kernel-source

Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following package was automatically installed and is no longer required:
  module-assistant
Use 'apt-get autoremove' to remove it.
The following NEW packages will be installed:
  bcmwl-kernel-source
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/1,181 kB of archives.
After this operation, 3,609 kB of additional disk space will be used.
Selecting previously unselected package bcmwl-kernel-source.
(Reading database ... 168005 files and directories currently installed.)
Unpacking bcmwl-kernel-source (from .../bcmwl-kernel-source_5.100.82.112+bdcom-0ubuntu3_amd64.deb) ...
Setting up bcmwl-kernel-source (5.100.82.112+bdcom-0ubuntu3) ...
Loading new bcmwl-5.100.82.112+bdcom DKMS files...
Building only for 3.5.0-21-generic
Building for architecture x86_64
Module build for the currently running kernel was skipped since the
kernel source for this kernel does not seem to be installed.
ERROR: Module b43 does not exist in /proc/modules
ERROR: Module b43legacy does not exist in /proc/modules
ERROR: Module ssb does not exist in /proc/modules
ERROR: Module bcm43xx does not exist in /proc/modules
ERROR: Module brcm80211 does not exist in /proc/modules
ERROR: Module brcmfmac does not exist in /proc/modules
ERROR: Module brcmsmac does not exist in /proc/modules
ERROR: Module bcma does not exist in /proc/modules
FATAL: Module wl not found.
FATAL: Error running install command for wl
update-initramfs: deferring update (trigger activated)
Processing triggers for initramfs-tools ...
update-initramfs: Generating /boot/initrd.img-3.5.0-21-generic
jtaylor991@jtaylor991-whiteHP:~$ sudo modprobe wl
FATAL: Module wl not found.
FATAL: Error running install command for wl

Then I do the modprobe wl commands listed above and it gives the above listed errors. It didn't work with the broadcom-sta driver either. I installed the b43 ones but nothing happened, and I don't know why so those are still installed. firmware-b43legacy-installer, b43-fwcutter and firmware-b43-lpphy-installer (yes it is a LP-PHY) are currently installed.

If I go into System Settings > Software Sources > Additional Drivers it says "Using Broadcom 802.11 Linux STA wireless driver source from bcmwl-kernel-source (proprietary) But bcmwl-kernel-source isn't installed. I could try again but I remember rebooting and it still said this.

What's funny is it found wireless networks during the Ubuntu setup/installation, I don't remember if I got it to connect or not though. I think it kept asking for a password when I put it in (yes it was right I showed password and looked at it) so I just ignored it. But right now the Enable Wireless option in the top right is just gone, it's just Enable Networking and I'm on ethernet on this HP Pavilion dv4-1435dx right here.

If I run rfkill list it shows:

0: hp-wifi: Wireless LAN
    Soft blocked: no
    Hard blocked: no

It was hard blocked at the beginning but unblocking it makes no change. Also it's a touch sensitive button, and it appears to be always orange no matter if it's enabled or not because when I touch it the hard blocked changes between yes and no in rfkill list. I think it was blue for a minute at one point.

What is going on?!?! Help me! Lol, thanks for any and all of your time guys. Oh yeah this is Ubuntu 12.10 fresh install.

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1 Answer

According to this page you can use the STA driver or the b43 driver for your card.

But there is a special driver for the LP-PHY version.

So I would first remove the STA driver then in a terminal type:

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

and restart your computer.

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Nope, didn't work. The other bcmwl-kernel-source is still an option under the Additional Drivers and nothing happened, "Enable Wireless" is still not an option. Yes I did restart. I uninstalled ALL of the STA stuff and restarted, then ran your command and restarted. In the following screenshot (imgur link, sorry I don't know a better way to do it) I ran the uninstall command and then opened the Additional Drivers window. You'll notice that the other option is still there after uninstalling. I did do "sudo apt-get autoremove" too while removing the STA stuff. –  Jackson Taylor Dec 19 '12 at 12:40
    
screenshot: i.imgur.com/hLY43.png –  Jackson Taylor Dec 19 '12 at 12:41
    
See if this helps. –  To Do Dec 19 '12 at 13:01
    
Yep, it did! Thank you!!But now I have to run "sudo modprobe b43" every time I restart. It looks like b43 is still blacklisted in a couple of the .conf files (I know which ones). How do I do the opposite of "Echo" and delete a line? I tried running "nano -w /etc/modprobe.d/blacklist" and browsed to them AND replaced blacklist with each filename but I have no write access. –  Jackson Taylor Dec 19 '12 at 14:05
    
The blacklists will be removed if you do: sudo apt-get remove --purge bcmwl-kernel-source. Reboot and see if your wireless works. If you need to modprobe b43, try: sudo su; echo b43 >> /etc/modules; exit. The wl problem is easily solvable, by the way. –  chili555 Dec 19 '12 at 14:37
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