Tente
sudo modprobe -r iwlwifi
sudo modprobe iwlwifi 11n_disable=1
Alguém pode me ajudar com isso? Eu tenho o Ubuntu 12.10 instalado e está até conectado ao meu Wifi, mas não consigo acessar nenhuma página da web no firefox.
editar:
eth0 Link encap:Ethernet HWaddr 00:1e:8c:41:5a:fb
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Interrupt:18
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:286 errors:0 dropped:0 overruns:0 frame:0
TX packets:286 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:25004 (25.0 KB) TX bytes:25004 (25.0 KB)
wlan0 Link encap:Ethernet HWaddr f0:7d:68:c1:a7:a8
inet addr:10.0.0.12 Bcast:10.0.0.255 Mask:255.255.255.0
inet6 addr: fe80::f27d:68ff:fec1:a7a8/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:230 errors:0 dropped:0 overruns:0 frame:0
TX packets:283 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:27761 (27.7 KB) TX bytes:28587 (28.5 KB)
wlan1 Link encap:Ethernet HWaddr 00:25:9c:03:5a:b7
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
ping -c5 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
From 10.0.0.12 icmp_seq=1 Destination Host Unreachable
From 10.0.0.12 icmp_seq=2 Destination Host Unreachable
From 10.0.0.12 icmp_seq=3 Destination Host Unreachable
From 10.0.0.12 icmp_seq=4 Destination Host Unreachable
From 10.0.0.12 icmp_seq=5 Destination Host Unreachable
--- 8.8.8.8 ping statistics ---
5 packets transmitted, 0 received, +5 errors, 100% packet loss, time 3999ms
pipe 3
iwconfig
wlan1 IEEE 802.11abgn ESSID:off/any
Mode:Managed Access Point: Not-Associated Tx-Power=27 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:on
eth0 no wireless extensions.
lo no wireless extensions.
wlan0 IEEE 802.11bgn ESSID:"thepenismighter"
Mode:Managed Frequency:2.412 GHz Access Point: 00:1D:D6:17:F4:30
Bit Rate=1 Mb/s Tx-Power=27 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=45/70 Signal level=-65 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:17 Invalid misc:6 Missed beacon:0
Tente
sudo modprobe -r iwlwifi
sudo modprobe iwlwifi 11n_disable=1