I have got the following problem. I am trying to connect my Ubuntu machine to a wireless network (WPA2 Personal). I am sure that I am providing the correct key, however I am not able to connect to the ...
OS: Ubuntu 11.10 Kernel: 18.104.22.168 Laptop: sony vaio vpc-z21x9r The problem: I can't change level of screen backlight; also can't enable wi-fi. While using 3.0 kernel everything is ok, but the laptop ...