wireless no ubuntu

[marcioanjus]

tenho um notebook com ubuntu 10.04 não consigo acessar a rede wireless digitei uns comandos mas não identifiquei nada,ela é reconhecida pelo ubuntu a luz no painel que indica wireless ativado mas nao consigo acessar nada,não mostra a rede nenhuma,tinha instalado um programa radar wifi depois um Rutilt wlan manager

Comando   iwconfig
root@marcio-laptop:/home/marcio# iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

wlan0     802.11bgn  Nickname:"rtl8191SEVA2"
          Mode:Managed  Frequency=2.467 GHz  Access Point: Not-Associated   
          Bit Rate:300 Mb/s   
          Retry:on   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality=10/100  Signal level=0 dBm  Noise level=-100 dBm
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:0   Missed beacon:0

pan0      no wireless extensions.


Comando   iwlist wlan0 scan

root@marcio-laptop:/home/marcio# iwlist wlan0 scan
wlan0     No scan results


root@marcio-laptop:/home/marcio# lspci
1.00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 09)
2.00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 09)
3.00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 09)
4.00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 03)
5.00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 03)
6.00:1a.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 03)
7.00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 03)
8.00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)
9.00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 03)
10.00:1c.1 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 (rev 03)
11.00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 03)
12.00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 03)
13.00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 03)
14.00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 03)
15.00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93)
16.00:1f.0 ISA bridge: Intel Corporation ICH9M LPC Interface Controller (rev 03)
17.00:1f.2 SATA controller: Intel Corporation ICH9M/M-E SATA AHCI Controller (rev 03)
18.00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 03)
19.01:00.0 Network controller: Realtek Semiconductor Co., Ltd. Device 8172 (rev 10)
20.02:00.0 System peripheral: JMicron Technology Corp. SD/MMC Host Controller (rev 80)
21.02:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host Controller (rev 80)
22.02:00.3 System peripheral: JMicron Technology Corp. MS Host Controller (rev 80)
23.02:00.5 Ethernet controller: JMicron Technology Corp. JMC260 PCI Express Fast Ethernet Controller (rev 02)


NetworkManager Tool

State: connected

- Device: wlan0 ----------------------------------------------------------------
  Type:              802.11 WiFi
  Driver:            rtl819xSE
  State:             disconnected
  Default:           no
  HW Address:        1C:65:9D:6B:93:7B

  Capabilities:

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

  Wireless Access Points


- Device: eth0  [cabo rede] ----------------------------------------------------
  Type:              Wired
  Driver:            jme
  State:             connected
  Default:           yes
  HW Address:        80:EE:73:11:89:E3

  Capabilities:
    Carrier Detect:  yes
    Speed:           100 Mb/s

  Wired Properties
    Carrier:         on

  IPv4 Settings:
    Address:         192.168.3.100
    Prefix:          24 (255.255.255.0)
    Gateway:         192.168.3.1

    DNS:             192.168.3.1


- Device: 00:23:45:8B:5C:EB ----------------------------------------------------
  Type:              Bluetooth
  Driver:            bluez
  State:             disconnected
  Default:           no

  Capabilities:

root@marcio-laptop:/home/marcio# ifconfig
eth0      Link encap:Ethernet  Endereço de HW 80:ee:73:11:89:e3 
          inet end.: 192.168.3.100  Bcast:192.168.3.255  Masc:255.255.255.0
          endereço inet6: fe80::82ee:73ff:fe11:89e3/64 Escopo:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Métrica:1
          pacotes RX:8274 erros:0 descartados:0 excesso:0 quadro:0
          Pacotes TX:7805 erros:0 descartados:0 excesso:0 portadora:0
          colisões:0 txqueuelen:1000
          RX bytes:7668714 (7.6 MB) TX bytes:1033204 (1.0 MB)
          IRQ:28

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:38 erros:0 descartados:0 excesso:0 quadro:0
          Pacotes TX:38 erros:0 descartados:0 excesso:0 portadora:0
          colisões:0 txqueuelen:0
          RX bytes:3424 (3.4 KB) TX bytes:3424 (3.4 KB)

wlan0     Link encap:Ethernet  Endereço de HW 1c:65:9d:6b:93:7b 
          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:16 Memória:f8640000-f8640100
root@marcio-laptop:/home/marcio# lshw -C network
  *-network               
       description: Wireless interface
       product: Realtek Semiconductor Co., Ltd.
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:01:00.0
       logical name: wlan0
       version: 10
       serial: 1c:65:9d:6b:93:7b
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi pciexpress cap_list ethernet physical wireless
       configuration: broadcast=yes driver=rtl819xSE driverversion=0015.0127.2010 firmware=62 latency=0 link=no multicast=yes wireless=802.11bgn
       resources: irq:16 ioport:d800(size=256) memory:feafc000-feafffff
  *-network
       description: Ethernet interface
       product: JMC260 PCI Express Fast Ethernet Controller
       vendor: JMicron Technology Corp.
       physical id: 0.5
       bus info: pci@0000:02:00.5
       logical name: eth0
       version: 02
       serial: 80:ee:73:11:89:e3
       size: 100MB/s
       capacity: 100MB/s
       width: 32 bits
       clock: 33MHz
       capabilities: pm pciexpress msix msi bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=jme driverversion=1.0.5 duplex=full ip=192.168.3.100 latency=0 link=yes multicast=yes port=MII speed=100MB/s
       resources: irq:28 memory:febf8000-febfbfff ioport:ec00(size=128) ioport:e800(size=256)