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HOW TO: Configure wireless cards with Broadcom chipsets\par
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#1 \par
Old April 10th, 2005\par
jonny jonny is offline\par
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HOW TO: Configure wireless cards with Broadcom chipsets\par
6 July 2006 Update\par
I haven't had a Broadcom card for many months, but I've been told this how-to doesn't work properly under Dapper. Here are a couple of links that have been passed to me - but I can't vouch for their quality.\par
\par
http://www.beginningubuntu.com/dappe...t_wifi_working\par
http://ubuntuforums.org/showthread.php?t=201902\par
\par
Good luck. I'm very happy that this how-to has helped so many people in the past year or so.\par
\par
Broadcom wireless cards are tricky to set up in ubuntu, and the forums are full of frustrated users seeking advice. Broadcom provide no Linux support (feel free to complain to your hardware vendor or choose a different card if you haven't yet shelled out your cash), but they can be made to work - and you're in the right place if you want to know how.\par
\par
First, you need to find out if this How To is for you. Broadcom wireless cards come under many brand names and, in particular, are used in many Dell and Acer laptops. Look for the drivers supplied with your card (Dell usually store a copy in C:/DRIVERS/NETWORK/ADDON); if you have a file called bcmwl5.inf or bcmwl5a.inf then keep on reading. You won't succeed without following these instructions!\par
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0. Before you start, clear out any mess from existing failed attempts to use ndiswrapper. Note that you shouldn't use a root terminal to execute the code in this how-to; use a normal terminal session instead.\par
Code:\par
\par
sudo modprobe -r bcmwl5\par
sudo rmmod ndiswrapper\par
sudo apt-get remove ndiswrapper-utils\par
sudo rm -r /etc/ndiswrapper/\par
sudo rm -r /etc/modprobe.d/ndiswrapper\par
\par
Some of these steps may report errors; just ignore them.\par
\par
1. Copy the bcmwl5.inf and bcmwl5.sys files to your desktop\par
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2. Follow the advice given here under How to add extra repositories\par
\par
3. Open a terminal session and enter this code. Note that you need an active network connection for this to work; I've assumed that if you have access to a wireless LAN, you also have access to a wired network as a fallback.\par
Code:\par
\par
sudo apt-get install ndiswrapper-utils\par
sudo ndiswrapper -i ~/Desktop/bcmwl5.inf\par
sudo ndiswrapper -m\par
for conffile in /etc/ndiswrapper/bcmwl5/*.conf; do\par
sudo cat $conffile | sed -e 's/RadioState|1/RadioState|0/' > $conffile\par
done\par
\par
4. Reboot your PC. On restarting, the light on your wireless card should come on. If not, try entering\par
Code:\par
\par
sudo modprobe ndiswrapper\par
\par
5. Your card is now working. Open the networking configuration tool System --> Administration --> Networking\par
\par
6. Select your wireless network card (probably wlan0) and hit the properties button.\par
\par
7. Tick the 'This device is configured' box, and enter your network name and connection settings. Ask your office network administrator for support if you don't know what this question means, or copy your settings from Windows.\par
\par
8. BE CAREFUL entering your WEP key, if you're using one. You're expected to enter this in hexadecimal form; if you don't speak hex, prefix your key with s:\par
\par
9. Click OK. The screen should close fairly quickly; if it hangs, you probably aren't connected properly.\par
\par
10. Back in the Network Settings screen, select your wireless device as the default gateway device.\par
\par
11. Click OK. Again, the screen should close fairly quickly.\par
\par
12. Enjoy wireless nirvana. If everything works, you can delete the file from your desktop.\par
\par
13. You might notice that the signal strength applet doesn't work properly. This is a known bug with these cards.\par
\par
If you have trouble, try booting into Windows - if you dual boot - and checking that the card is enabled. Some laptops allow the wireless card to be switched off, usually with a special key combination, and I've not found a reliable way to make this work in Linux.\par
\par
(Note: This how-to has been updated to reflect all comments from the thread up to 19 April)\par
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Last edited by jonny : July 5th, 2006 at 07:59 PM. Reason: Add warning about using a root terminal\par
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#2 \par
Old April 10th, 2005\par
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Re: HOW TO: Configure wireless cards with Broadcom chipsets\par
great Howto. I need this next weekend. What a lifesaver...\par
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#3 \par
Old April 11th, 2005\par
Chromance Chromance is offline\par
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Re: HOW TO: Configure wireless cards with Broadcom chipsets\par
what version of Ndiswrapper is included in the ubuntu 5.04? should be 1.1?\par
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#4 \par
Old April 12th, 2005\par
Remix_88 Remix_88 is offline\par
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Re: HOW TO: Configure wireless cards with Broadcom chipsets\par
You don't have to edit all the .conf files by hand. Replace steps 'sudo gedit' and Step 4 with the following...\par
\par
Code:\par
\par
$ sed -e 's/RadioState|1/RadioState|0/' /etc/ndiswrapper/bcmwl5/*.conf\par
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#5 \par
Old April 12th, 2005\par
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Re: HOW TO: Configure wireless cards with Broadcom chipsets\par
it worked, thank you\par
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#6 \par
Old April 12th, 2005\par
jonny jonny is offline\par
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Re: HOW TO: Configure wireless cards with Broadcom chipsets\par
Quote:\par
Originally Posted by Remix_88\par
You don't have to edit all the .conf files by hand. Replace steps 'sudo gedit' and Step 4 with the following...\par
\par
Code:\par
\par
$ sed -e 's/RadioState|1/RadioState|0/' /etc/ndiswrapper/bcmwl5/*.conf\par
\par
Thanks; I've updated the how-to. I knew you could use sed instead of gedit, but couldn't get the syntax quite right. You're obviously smarter then me!\par
\par
By the way, if you get here from a search engine, I imagine this would work for any other Debian based distros. Steps 5 onward need Gnome, but KDE has equivalent tools.\par
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#7 \par
Old April 13th, 2005\par
Musiknonstop Musiknonstop is offline\par
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Re: HOW TO: Configure wireless cards with Broadcom chipsets\par
Hi,\par
\par
When I use the sed command the output just oes to the terminal window. The files do not get changed. Does anyone know what I'm doing wrong here?\par
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#8 \par
Old April 13th, 2005\par
jonny jonny is offline\par
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Re: HOW TO: Configure wireless cards with Broadcom chipsets\par
I'll have to test this tomorrow. In the meantime, you need to replace the sed command with these steps:\par
\par
- sudo gedit\par
- This will open a text editor. Open every file in the directory /etc/ndiswrapper/bcmwl5/ and replace every instance of RadioState|1 with RadioState|0\par
- continue with step 4\par
\par
Sorry for the confusion.\par
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#9 \par
Old April 13th, 2005\par
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Re: HOW TO: Configure wireless cards with Broadcom chipsets\par
Thank you, thank you, thank you. I knew all the steps but the "sed" step.\par
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I'm going to boot into Ubuntu now and try it.\par
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#10 \par
Old April 14th, 2005\par
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It works!!\par
Quote:\par
Originally Posted by jonny\par
I'll have to test this tomorrow. In the meantime, you need to replace the sed command with these steps:\par
\par
- sudo gedit\par
- This will open a text editor. Open every file in the directory /etc/ndiswrapper/bcmwl5/ and replace every instance of RadioState|1 with RadioState|0\par
- continue with step 4\par
\par
Sorry for the confusion.\par
Johnny,\par
\par
Thanks for posting this. After I edited the .conf files my card started working after doing modprobe. Writing post via my new wireless Ubuntu laptop....\par
\par
Ant\par
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