minha wireless parou

um dia eu tava mexendo normal mas ai acho q desligaram o estabilizador onde fica o roteador (familia, quase sempre eh culpa dela) depois disso minha wireless n conecta mais no linux..
jah tentei no fedora 15 no ubuntu 11.04 e no ubuntu 10.10 e em nenhum deles esta conectando, soh no windows ..

pf me ajudem

ubuntu@ubuntu:~$ lspci | grep Wireless
06:05.0 Network controller: Intel Corporation PRO/Wireless 2200BG [Calexico2] Network Connection (rev 05)
ubuntu@ubuntu:~$ lspci | grep Wireless
06:05.0 Network controller: Intel Corporation PRO/Wireless 2200BG [Calexico2] Network Connection (rev 05)
ubuntu@ubuntu:~$ lsusb | grep Wireless
ubuntu@ubuntu:~$ lsusb | grep Wireless
ubuntu@ubuntu:~$ sudo ifconfig
eth0 Link encap:Ethernet HWaddr 00:0a:e4:d3:a6:ae
inet6 addr: fe80::20a:e4ff:fed3:a6ae/64 Scope:Link
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:2934 errors:4 dropped:4 overruns:4 frame:0
TX packets:2657 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3514275 (3.5 MB) TX bytes:387475 (387.4 KB)
Interrupt:20 Base address:0x3000

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:82 errors:0 dropped:0 overruns:0 frame:0
TX packets:82 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:6012 (6.0 KB) TX bytes:6012 (6.0 KB)

ubuntu@ubuntu:~$

ubuntu@ubuntu:~$ sudo su
root@ubuntu:/home/ubuntu# ifconfig
eth0 Link encap:Ethernet HWaddr 00:0a:e4:d3:a6:ae
inet addr:192.168.1.103 Bcast:192.168.1.255 Mask:255.255.255.0
inet6 addr: fe80::20a:e4ff:fed3:a6ae/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:2643 errors:3 dropped:5 overruns:3 frame:0
TX packets:1982 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:3495135 (3.4 MB) TX bytes:217694 (217.6 KB)
Interrupt:20 Base address:0x3000

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:130 errors:0 dropped:0 overruns:0 frame:0
TX packets:130 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:9788 (9.7 KB) TX bytes:9788 (9.7 KB)

root@ubuntu:/home/ubuntu# ifconfig wlan0 up
wlan0: ERROR while getting interface flags: No such device