iemand had ook een dergelijk probleem:
http://ubuntuforums.org/showthread.php?t=998465&highlight=wireless+assistant+hardy
maar hoe weet ik welke versie van kernel ik hier heb staan?
iemand stelde voor: http://ubuntuforums.org/showthread.php?t=374594&highlight=No+wireless+interfaces+found
Are these problems where there was a kernel update, and using the old kernel solves the problem? for example, is there a directory in /lib/firmware that is a kernel version number but it is not the same as what you see when you type uname -r
ingrid@acer-2008:~$ ls /lib/firmware
2.6.24-16-generic 2.6.24-21-generic 2.6.24-23-generic
2.6.24-19-generic 2.6.24-22-generic
ingrid@acer-2008:~$ uname -r
2.6.24-23-386
Opstarten met een oude kernel? Hoe doe je dat? Staat in dezelfde thread:
To check if this will solve the problem press escape (or f2? can’t remember offhand) during boot to enter the options menu and select to boot from the older kernel (2.6.17-10 in my case).
If your wireless works again then you can remove the new (offending) kernel package “linux-image-2.6.17.11-generic”
i.e: sudo apt-get remove linux-image-2.6.17-11-generic
Note, please be careful! Make sure you have booted using the old kernel (2.6.17-10) while you remove the new one (2.6.17-11). Check the version in use with “uname -r” as DagMan suggested.
Alternatief: nieuwe firmware overschrijven met de oude:
On my machine, I’m able to copy the old firmware directory to the name of the new kernel and it doesn’t break anything, for example, and while in the kernel that is not working:
sudo cp -r /lib/firmware/Old-Kernel-Directory /lib/firmware/`uname -r`
substituting Old-Kernel-Directory with whatever is there. I can then reboot into either kernel.
If you want to do it from the old kernel and then reboot into the new one it would look like this:
sudo cp -r /lib/firmware/`uname -r` /lib/firmware/NEW-kernel-name
and NEW-kernel-name can be sort of figured out if you look at the bottom section of /boot/grub/menu.lst
This works for me, but the advice comes without warranty. I doubt it would hurt anything.