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Re: [Question #79155]: frustrated with wireless and dhcp

 

Question #79155 on Ubuntu changed:
https://answers.launchpad.net/ubuntu/+question/79155

    Status: Open => Answered

Mark Rijckenberg proposed the following answer:
Hi,

First of all, you absolutely need a wired internet connection to be able
to easily install the right firmware for the BCM4318 chipset. It can be
done without a wired or wireless internet connection, but it is too
complicated.

Secondly, you should be using the b43-pci-bridge driver instead of the
ndiswrapper driver, as you can see in the solution procedures below for
the BCM4318 chipset:

https://answers.launchpad.net/~markrijckenberg/+questions?field.search_text=BCM4318&field.sort=NEWEST_FIRST&field
.sort-empty-marker=1&field.actions.search=Search&field.language=en&field
.language-empty-marker=1&field.status=SOLVED&field.status-empty-marker=1

You will also need the wired ethernet cable to connect your pc to the
wireless router, so that you can temporarily disable encryption on the
router itself, enable SSID broadcasting and also make sure that DHCP is
enabled on the wireless router.

So please try this procedure:

First connect your network card to the wireless router using an ethernet
cable (also known as a LAN cable).

Step 1: Open Terminal from "Applications->Accessories->
Terminal"

Step 2: Run the following commands AFTER you have successfully obtained
a working, wired internet connection (copy-paste each line below to the
Terminal then hit <enter> after each line)

sudo aptitude update
sudo aptitude dist-upgrade
sudo aptitude install b43-fwcutter

Step 3: Please post output of commands on this thread.

Step 4: Open a terminal and enter the following command:

gksudo gedit /etc/modprobe.d/blacklist.conf

# Add the following  line at the end of the blacklist.conf file:

blacklist ndiswrapper

Step 5: Open a terminal and enter the following command:

gksudo gedit /etc/network/interfaces

# Make sure the  /etc/network/interfaces  file only contains the
following 2 lines:

auto lo
iface lo inet loopback


# Save the above changes

Step 6: Reboot and retest wireless

Regards,

Mark

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