Its a strange one for me it is irregular sometimes it works other times it doesn't. I do find by hard reseting my wireless router seems to make it work again.
I have the following installed too:- linux-restricted-modules-2.6.20-13-generic linux-restricted-modules-common linux-restricted-modules-generic -- Latest Feisty Fawn Breaks Dell Laptop Intel Wireless https://launchpad.net/bugs/92748 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
