Não consigo conectar internet sem fio no meu notebook

[dihloki]

Acabei de instalar o Ubuntu 11.10 e nao consigo conectar a nenhuma rede sem fio, como se o dispositivo estivesse desativado. Por favor alguém pode me ajudar?

[zekkerj]

Execute os comandos abaixo e cole o resultado aqui.

sudo lshw -C network
iwconfig
ifconfig -a
nm-tool
rfkill list wifi

[dihloki]

sudo lshw -C network 
*-network               
       description: Wireless interface
       product: RT3090 Wireless 802.11n 1T/1R PCIe
       vendor: Ralink corp.
       physical id: 0
       bus info: pci@0000:04:00.0
       logical name: wlan0
       version: 00
       serial: 6c:62:6d:11:68:b1
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=rt2800pci driverversion=3.0.0-12-generic firmware=0.34 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn
       resources: irq:19 memory:f2c00000-f2c0ffff
  *-network
       description: Ethernet interface
       product: RTL8101E/RTL8102E PCI Express Fast Ethernet controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:06:00.0
       logical name: eth0
       version: 02
       serial: 6c:62:6d:78:38:fd
       size: 10Mbit/s
       capacity: 100Mbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list rom ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=half firmware=N/A latency=0 link=no multicast=yes port=MII speed=10Mbit/s
       resources: irq:40 ioport:8000(size=256) memory:f0430000-f0430fff memory:f0420000-f042ffff memory:f0400000-f041ffff

iwconfig

lo        no wireless extensions.

eth0      no wireless extensions.

wlan0     IEEE 802.11bgn  ESSID:off/any 
          Mode:Managed  Access Point: Not-Associated   Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
         

ifconfig -a

lo        no wireless extensions.

eth0      no wireless extensions.

wlan0     IEEE 802.11bgn  ESSID:off/any 
          Mode:Managed  Access Point: Not-Associated   Tx-Power=20 dBm   
          Retry  long limit:7   RTS thr:off   Fragment thr:off
          Power Management:off
         
umbrella@Umbrella-MS-1454:~$ ifconfig -a
eth0      Link encap:Ethernet  Endereço de HW 6c:62:6d:78:38:fd 
          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:0
          colisões:0 txqueuelen:1000
          RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
          IRQ:40 Endereço de E/S:0xe000

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:96 erros:0 descartados:0 excesso:0 quadro:0
          Pacotes TX:96 erros:0 descartados:0 excesso:0 portadora:0
          colisões:0 txqueuelen:0
          RX bytes:7584 (7.5 KB) TX bytes:7584 (7.5 KB)

wlan0     Link encap:Ethernet  Endereço de HW 6c:62:6d:11:68:b1 
          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:0
          colisões:0 txqueuelen:1000
          RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)


nm-tool

NetworkManager Tool

State: disconnected

- Device: wlan0 ----------------------------------------------------------------
  Type:              802.11 WiFi
  Driver:            rt2800pci
  State:             disconnected
  Default:           no
  HW Address:        6C:62:6D:11:68:B1

  Capabilities:

  Wireless Properties
    WEP Encryption:  yes
    WPA Encryption:  yes
    WPA2 Encryption: yes

  Wireless Access Points
    WTABR_R2:        Infra, 00:15:6D:67:CB:D1, Freq 2412 MHz, Rate 11 Mb/s, Strength 35
    Pinhais Telecom_POP1_48254253: Infra, 00:27:22:1C:AB:CF, Freq 2432 MHz, Rate 54 Mb/s, Strength 35
    G.W.T Provedor:  Infra, 00:0C:42:68:CD:68, Freq 2447 MHz, Rate 11 Mb/s, Strength 42
    Canejo_20:       Infra, 00:15:6D:1C:61:AF, Freq 2422 MHz, Rate 11 Mb/s, Strength 39
    Siglatel-G.W.T_24: Infra, 00:E0:4C:FA:71:59, Freq 2452 MHz, Rate 11 Mb/s, Strength 42
    G.W.T Provedor 2:Infra, 00:15:6D:8E:74:C9, Freq 2422 MHz, Rate 11 Mb/s, Strength 32
    G.W.T Provedor 6:Infra, 00:15:6D:DE:C3:26, Freq 2422 MHz, Rate 11 Mb/s, Strength 42
    5_Pinhais Telecom-48234378: Infra, 00:15:6D:9A:FE:12, Freq 2457 MHz, Rate 54 Mb/s, Strength 39
    2_Pinhais Telecom48234378: Infra, 00:15:6D:9A:FD:F1, Freq 2447 MHz, Rate 11 Mb/s, Strength 45
    G.W.T Provedor 7:Infra, 00:15:6D:DE:FE:1C, Freq 2432 MHz, Rate 11 Mb/s, Strength 35
    Pop Parque Alianca 48234378: Infra, 00:27:22:1C:AB:90, Freq 2412 MHz, Rate 54 Mb/s, Strength 39
    Adilson:         Infra, 00:24:01:9A:9B:04, Freq 2417 MHz, Rate 54 Mb/s, Strength 82 WEP
    corinthians:     Infra, 00:1D:19:CE:53:7D, Freq 2437 MHz, Rate 54 Mb/s, Strength 39 WPA WPA2


- Device: eth0 -----------------------------------------------------------------
  Type:              Wired
  Driver:            r8169
  State:             unavailable
  Default:           no
  HW Address:        6C:62:6D:78:38:FD

  Capabilities:
    Carrier Detect:  yes
    Speed:           10 Mb/s

  Wired Properties
    Carrier:         off



rfkill list wifi

0: phy0: Wireless LAN
   Soft blocked: no
   Hard blocked: no

[zekkerj]

Veja se os procedimentos dos tópicos abaixo resolvem seu problema:
http://ubuntuforum-br.org/index.php/topic,84576.0.html
http://ubuntuforum-br.org/index.php?topic=86885.0