[Plug-security] BT5r3 Compatibility

[Lisa Kachold]

We have had a few questions related to networking devices on newer systems.


Either the wireless card or ethernet card are not working.

This problem is related to the kernel version on BT5r3.

To troubleshoot:

ifconfig -a
or
iwconfig

Restart the daemon:

/etc/init.d/network-manager stop (then start)
/etc/init.d/wicd start (if you are using WICD

look at the output of starting:

dmesg

Check the configuration:
vi /etc/network/interfaces

Look at your kernel drivers and devices:

lspci -nn | grep Eth

or
lshw -C network

modprobe

Ubuntu comes with Wireless disabled by default:
*Also Fn+F11 toggles the wireless*
*VERIFY your Hardware SWITCH is ON*

If restarting the daemon, verifying cabling, and adding device to the
interfaces file all fail.  You are going to have to verify the drivers that
are in place or install the firmware (example for ralink):

apt-get install firmware-ralink

Update or rollback your kernel:

sudo apt-get remove linux-image-2.6.35-24-generi

sudo apt-get --reinstall install linux-image-2.6.35-23-generi

uname -a

To google:  BT5r3 runs on Ubuntu 10.04 (Lucid) LTS

Therefore all of your search research must be related to Lucid.

For instance look at "ubuntu 10.04 $device name from lspci $your hardware
manufacturer and model number

Example for Sony Vaio:
http://ubuntuforums.org/showthread.php?t=1882308

Wireless for Sony atheros build and install your own kernel:
http://wireless.kernel.org/en/users/Drivers/ath9k#Available_devices


Example for ASUS:

http://ubuntuforums.org/showthread.php?t=1599228


We hope this helps!
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