Execute os comandos abaixo e cole o resultado aqui.
sudo lshw -C network
iwconfig
ifconfig -a
nm-tool
rfkill list wifi
Estou com o problema parecido. Ubuntu não reconehce mais a rede wireless, fiz os comandos acima e abaixo o resultado. Me ajuda aê "irmão" vascaino. (seremos campeões)
linux@linux-ubuntu:~$ sudo Ishw -C network
[sudo] password for linux:
sudo: Ishw: command not found
linux@linux-ubuntu:~$ sudo ishw -C network
sudo: ishw: command not found
linux@linux-ubuntu:~$ sudo lshw -C network
*-network
description: Ethernet interface
product: L2 100 Mbit Ethernet Adapter
vendor: Atheros Communications
physical id: 0
bus info: pci@0000:01:00.0
logical name: eth4
version: a0
serial: 00:25:11:de:a4:b7
capacity: 100MB/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress vpd bus_master cap_list rom ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=atl2 driverversion=2.2.3 firmware=L2 latency=0 link=no multicast=yes port=twisted pair
resources: irq:25 memory:feac0000-feafffff memory:feaa0000-feabffff(prefetchable)
*-network
description: Wireless interface
product: RaLink
vendor: RaLink
physical id: 1
bus info: pci@0000:02:01.0
logical name: ra0
version: 00
serial: 1c:bd:b9:8a:3f:af
width: 32 bits
clock: 33MHz
capabilities: pm bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=RALINK WLAN driverversion=2.3.0.0-alpha20100128 latency=64 maxlatency=4 mingnt=2 multicast=yes wireless=Ralink STA
resources: irq:18 memory:febf0000-febfffff
linux@linux-ubuntu:~$ iwconfig
lo no wireless extensions.
ra0 Ralink STA ESSID:"" Nickname:"RT3562STA"
Mode:Auto Frequency=2.412 GHz Access Point: Not-Associated
Bit Rate:1 Mb/s
RTS thr:off Fragment thr:off
Link Quality=10/100 Signal level:0 dBm Noise level:-115 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
eth4 no wireless extensions.
linux@linux-ubuntu:~$ ifconfig -a
eth4 Link encap:Ethernet Endereço de HW 00:25:11:de:a4:b7
UP BROADCAST MULTICAST MTU:1500 Métrica:1
pacotes RX:0 erros:0 descartados:0 excesso:0 quadro:0
Pacotes TX:0 erros:0 descartados:0 excesso:0 portadora:1
colisões:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
Memória:feac0000-feb00000
lo Link encap:Loopback Local
inet end.: 127.0.0.1 Masc:255.0.0.0
endereço inet6: ::1/128 Escopo:Máquina
UP LOOPBACK RUNNING MTU:16436 Métrica:1
pacotes RX:48 erros:0 descartados:0 excesso:0 quadro:0
Pacotes TX:48 erros:0 descartados:0 excesso:0 portadora:0
colisões:0 txqueuelen:0
RX bytes:15801 (15.8 KB) TX bytes:15801 (15.8 KB)
ra0 Link encap:Ethernet Endereço de HW 1c:bd:b9:8a:3f:af
endereço inet6: fe80::1ebd:b9ff:fe8a:3faf/64 Escopo:Link
UP BROADCAST MULTICAST MTU:1500 Métrica:1
pacotes RX:0 erros:0 descartados:0 excesso:219 quadro:219
Pacotes TX:127 erros:0 descartados:0 excesso:0 portadora:0
colisões:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
IRQ:18
linux@linux-ubuntu:~$ nm-tool
NetworkManager Tool
State: disconnected
- Device: eth4 -----------------------------------------------------------------
Type: Wired
Driver: atl2
State: unavailable
Default: no
HW Address: 00:25:11:DE:A4:B7
Capabilities:
Carrier Detect: yes
Wired Properties
Carrier: off
- Device: ra0 ------------------------------------------------------------------
Type: 802.11 WiFi
Driver: rt3060
State: disconnected
Default: no
HW Address: 1C:BD:B9:8A:3F:AF
Capabilities:
Wireless Properties
WEP Encryption: yes
WPA Encryption: yes
WPA2 Encryption: yes
Wireless Access Points
linux@linux-ubuntu:~$ rfkill list wifi
linux@linux-ubuntu:~$