boa noite amigos,

tenho um note emachines que a wlan é a bm4312, antes rodava o debian 8
agora nesse mesmo note o ubuntu 16.04, bastou o comando abaixo em ambos os
sistemas para funcionar

apt-get install firmware-b43-installer

fonte: https://wiki.debian.org/bcm43xx





att.
Luis Teixeira

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Em 18 de agosto de 2016 15:15, real bas <realba...@gmail.com> escreveu:

> root@JoaoBatistaFN:~# sudo rm /etc/modprobe.d/broadcom-sta-dkms.conf:blacklist
>> b43
>> rm: não foi possível remover 
>> “/etc/modprobe.d/broadcom-sta-dkms.conf:blacklist”:
>> Arquivo ou diretório não encontrado
>> rm: não foi possível remover “b43”: Arquivo ou diretório não encontrado
>
>
>
>>
>
> root@JoaoBatistaFN:~# sudo rm /etc/modprobe.d/broadcom-sta-dkms.conf:blacklist
>> b43legacy
>> rm: não foi possível remover 
>> “/etc/modprobe.d/broadcom-sta-dkms.conf:blacklist”:
>> Arquivo ou diretório não encontrado
>> rm: não foi possível remover “b43legacy”: Arquivo ou diretório não
>> encontrado
>
>
> Deve ser removido */etc/modprobe.d/broadcom-sta-dkms.conf* e *não* /
> etc/modprobe.d/broadcom-sta-dkms.conf:blacklist *nem b43 *ou *b43legacy*
>
> root@JoaoBatistaFN:~# sudo apt-get install linux-firmware-nonfree
>> Lendo listas de pacotes... Pronto
>> Construindo árvore de dependências
>> Lendo informação de estado... Pronto
>> E: Impossível encontrar o pacote linux-firmware-nonfree
>
>
> Você precisa adicionar o repositório, atualizar e tentar novamente (não
> tenho certeza qual é o repositorio, acho que é o contrib non-free)
> Caso esse do linux-firmware-nonfree não funcione tem o firmware-b43-installer
> [1] parece ser o driver correto pro seu dispositivo.
>
> [1] https://wiki.debian.org/bcm43xx
>
>
>
>
> Em 18 de agosto de 2016 01:36, Thiago Canuto <thiagocanuto...@gmail.com>
> escreveu:
>
>> Boa noite real bas.
>>
>> Mais uma vez agradeço pela ajuda da comunidade.
>>
>> Então... testei os passos do tópico compartilhado, e parece que ajudou um
>> pouco, mas ainda não solucionou o meu problema.
>>
>> Aqui esta os resultados dos comandos:
>>
>> joaobatistafn@JoaoBatistaFN:~$ sudo modprobe b43
>> [sudo] password for joaobatistafn:
>> joaobatistafn@JoaoBatistaFN:~$ lsmod | grep -e b43 -e wl
>> b43                   362085  0
>> bcma                   36446  1 b43
>> mac80211              425575  1 b43
>> ssb                    51408  1 b43
>> pcmcia                 44245  2 b43,ssb
>> wl                   6087369  0
>> cfg80211              350041  3 wl,b43,mac80211
>> rng_core               12645  1 b43
>> mmc_core               91803  4 b43,ssb,sdhci,sdhci_pci
>> joaobatistafn@JoaoBatistaFN:~$ dmesg | grep b43
>> [  663.728750] b43-phy0: Broadcom 4311 WLAN found (core revision 10)
>> [  663.760252] b43-phy0: Found PHY: Analog 4, Type 2 (G), Revision 8
>> [  663.760264] b43-phy0 warning: 5 GHz band is unsupported on this PHY
>> [  663.792089] b43 ssb0:0: firmware: direct-loading firmware b43/ucode5.fw
>> [  663.801095] b43 ssb0:0: firmware: direct-loading firmware b43/pcm5.fw
>> [  663.802371] b43 ssb0:0: firmware: direct-loading firmware
>> b43/b0g0initvals5.fw
>> [  663.808001] b43 ssb0:0: firmware: direct-loading firmware
>> b43/b0g0bsinitvals5.fw
>> joaobatistafn@JoaoBatistaFN:~$ iwconfig
>> bash: iwconfig: comando não encontrado
>> joaobatistafn@JoaoBatistaFN:~$ su -
>> Senha:
>> root@JoaoBatistaFN:~# iwconfig
>> wlan0     IEEE 802.11bg  ESSID:off/any
>>           Mode:Managed  Access Point: Not-Associated   Tx-Power=0 dBm
>>           Retry short limit:7   RTS thr:off   Fragment thr:off
>>           Encryption key:off
>>           Power Management:on
>>
>> lo        no wireless extensions.
>>
>> eth0      no wireless extensions.
>>
>> root@JoaoBatistaFN:~# sudo apt-get purge bcmwl-kernel-source
>> Lendo listas de pacotes... Pronto
>> Construindo árvore de dependências
>> Lendo informação de estado... Pronto
>> E: Impossível encontrar o pacote bcmwl-kernel-source
>> root@JoaoBatistaFN:~# grep 'blacklist b43' /etc/modprobe.d/*
>> /etc/modprobe.d/broadcom-sta-dkms.conf:blacklist b43
>> /etc/modprobe.d/broadcom-sta-dkms.conf:blacklist b43legacy
>> root@JoaoBatistaFN:~# sudo rm 
>> /etc/modprobe.d/broadcom-sta-dkms.conf:blacklist
>> b43
>> rm: não foi possível remover 
>> “/etc/modprobe.d/broadcom-sta-dkms.conf:blacklist”:
>> Arquivo ou diretório não encontrado
>> rm: não foi possível remover “b43”: Arquivo ou diretório não encontrado
>> root@JoaoBatistaFN:~# sudo rm 
>> /etc/modprobe.d/broadcom-sta-dkms.conf:blacklist
>> b43legacy
>> rm: não foi possível remover 
>> “/etc/modprobe.d/broadcom-sta-dkms.conf:blacklist”:
>> Arquivo ou diretório não encontrado
>> rm: não foi possível remover “b43legacy”: Arquivo ou diretório não
>> encontrado
>> root@JoaoBatistaFN:~# sudo modprobe -v b44
>> insmod /lib/modules/3.16.0-4-686-pae/kernel/drivers/net/mii.ko
>> insmod /lib/modules/3.16.0-4-686-pae/kernel/drivers/net/phy/libphy.ko
>> insmod 
>> /lib/modules/3.16.0-4-686-pae/kernel/drivers/net/ethernet/broadcom/b44.ko
>>
>> root@JoaoBatistaFN:~# sudo apt-get install linux-firmware-nonfree
>> Lendo listas de pacotes... Pronto
>> Construindo árvore de dependências
>> Lendo informação de estado... Pronto
>> E: Impossível encontrar o pacote linux-firmware-nonfree
>> root@JoaoBatistaFN:~# sudo apt-get install linux-firmware-nonfree
>> Lendo listas de pacotes... Pronto
>> Construindo árvore de dependências
>> Lendo informação de estado... Pronto
>> E: Impossível encontrar o pacote linux-firmware-nonfree
>> root@JoaoBatistaFN:~# lspci -nn | grep -e 0200 -e 0280
>> …
>>
>> 03:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g
>> WLAN [14e4:4311] (rev 01)
>> 05:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8055
>> PCI-E Gigabit Ethernet Controller [11ab:4363] (rev 11)
>> root@JoaoBatistaFN:~# lsmod | grep -e b43 -e wl
>> b43                   362085  0
>> bcma                   36446  1 b43
>> mac80211              425575  1 b43
>> ssb                    51408  2 b43,b44
>> pcmcia                 44245  2 b43,ssb
>> wl                   6087369  0
>> cfg80211              350041  3 wl,b43,mac80211
>> rng_core               12645  1 b43
>> mmc_core               91803  4 b43,ssb,sdhci,sdhci_pci
>> root@JoaoBatistaFN:~# sudo apt-get purge bcmwl-kernel-source
>> Lendo listas de pacotes... Pronto
>> Construindo árvore de dependências
>> Lendo informação de estado... Pronto
>> E: Impossível encontrar o pacote bcmwl-kernel-source
>>
>> Com isso verificamos que alguns comandos não funcionaram.
>>
>> Algumas informações que podem ser uteis que obtive na reinicialização:
>>
>>
>>
>> Em qui, 18 de ago de 2016 às 01:32, Thiago Canuto <
>> thiagocanuto...@gmail.com> escreveu:
>>
>>> Boa noite real bas.
>>>
>>> Mais uma vez agradeço pela ajuda da comunidade.
>>>
>>> Então... testei os passos do tópico compartilhado, e parece que ajudou
>>> um pouco, mas ainda não solucionou o meu problema.
>>>
>>> Aqui esta os resultados dos comandos:
>>>
>>> joaobatistafn@JoaoBatistaFN:~$ sudo modprobe b43
>>> [sudo] password for joaobatistafn:
>>> joaobatistafn@JoaoBatistaFN:~$ lsmod | grep -e b43 -e wl
>>> b43                   362085  0
>>> bcma                   36446  1 b43
>>> mac80211              425575  1 b43
>>> ssb                    51408  1 b43
>>> pcmcia                 44245  2 b43,ssb
>>> wl                   6087369  0
>>> cfg80211              350041  3 wl,b43,mac80211
>>> rng_core               12645  1 b43
>>> mmc_core               91803  4 b43,ssb,sdhci,sdhci_pci
>>> joaobatistafn@JoaoBatistaFN:~$ dmesg | grep b43
>>> [  663.728750] b43-phy0: Broadcom 4311 WLAN found (core revision 10)
>>> [  663.760252] b43-phy0: Found PHY: Analog 4, Type 2 (G), Revision 8
>>> [  663.760264] b43-phy0 warning: 5 GHz band is unsupported on this PHY
>>> [  663.792089] b43 ssb0:0: firmware: direct-loading firmware
>>> b43/ucode5.fw
>>> [  663.801095] b43 ssb0:0: firmware: direct-loading firmware b43/pcm5.fw
>>> [  663.802371] b43 ssb0:0: firmware: direct-loading firmware
>>> b43/b0g0initvals5.fw
>>> [  663.808001] b43 ssb0:0: firmware: direct-loading firmware
>>> b43/b0g0bsinitvals5.fw
>>> joaobatistafn@JoaoBatistaFN:~$ iwconfig
>>> bash: iwconfig: comando não encontrado
>>> joaobatistafn@JoaoBatistaFN:~$ su -
>>> Senha:
>>> root@JoaoBatistaFN:~# iwconfig
>>> wlan0     IEEE 802.11bg  ESSID:off/any
>>>           Mode:Managed  Access Point: Not-Associated   Tx-Power=0 dBm
>>>           Retry short limit:7   RTS thr:off   Fragment thr:off
>>>           Encryption key:off
>>>           Power Management:on
>>>
>>> lo        no wireless extensions.
>>>
>>> eth0      no wireless extensions.
>>>
>>> root@JoaoBatistaFN:~# sudo apt-get purge bcmwl-kernel-source
>>> Lendo listas de pacotes... Pronto
>>> Construindo árvore de dependências
>>> Lendo informação de estado... Pronto
>>> E: Impossível encontrar o pacote bcmwl-kernel-source
>>> root@JoaoBatistaFN:~# grep 'blacklist b43' /etc/modprobe.d/*
>>> /etc/modprobe.d/broadcom-sta-dkms.conf:blacklist b43
>>> /etc/modprobe.d/broadcom-sta-dkms.conf:blacklist b43legacy
>>> root@JoaoBatistaFN:~# sudo rm 
>>> /etc/modprobe.d/broadcom-sta-dkms.conf:blacklist
>>> b43
>>> rm: não foi possível remover 
>>> “/etc/modprobe.d/broadcom-sta-dkms.conf:blacklist”:
>>> Arquivo ou diretório não encontrado
>>> rm: não foi possível remover “b43”: Arquivo ou diretório não encontrado
>>> root@JoaoBatistaFN:~# sudo rm 
>>> /etc/modprobe.d/broadcom-sta-dkms.conf:blacklist
>>> b43legacy
>>> rm: não foi possível remover 
>>> “/etc/modprobe.d/broadcom-sta-dkms.conf:blacklist”:
>>> Arquivo ou diretório não encontrado
>>> rm: não foi possível remover “b43legacy”: Arquivo ou diretório não
>>> encontrado
>>> root@JoaoBatistaFN:~# sudo modprobe -v b44
>>> insmod /lib/modules/3.16.0-4-686-pae/kernel/drivers/net/mii.ko
>>> insmod /lib/modules/3.16.0-4-686-pae/kernel/drivers/net/phy/libphy.ko
>>> insmod 
>>> /lib/modules/3.16.0-4-686-pae/kernel/drivers/net/ethernet/broadcom/b44.ko
>>>
>>> root@JoaoBatistaFN:~# sudo apt-get install linux-firmware-nonfree
>>> Lendo listas de pacotes... Pronto
>>> Construindo árvore de dependências
>>> Lendo informação de estado... Pronto
>>> E: Impossível encontrar o pacote linux-firmware-nonfree
>>> root@JoaoBatistaFN:~# sudo apt-get install linux-firmware-nonfree
>>> Lendo listas de pacotes... Pronto
>>> Construindo árvore de dependências
>>> Lendo informação de estado... Pronto
>>> E: Impossível encontrar o pacote linux-firmware-nonfree
>>> root@JoaoBatistaFN:~# lspci -nn | grep -e 0200 -e 0280
>>>
>>> 03:00.0 Network controller [0280]: Broadcom Corporation BCM4311
>>> 802.11b/g WLAN [14e4:4311] (rev 01)
>>> 05:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd.
>>> 88E8055 PCI-E Gigabit Ethernet Controller [11ab:4363] (rev 11)
>>> root@JoaoBatistaFN:~# lsmod | grep -e b43 -e wl
>>> b43                   362085  0
>>> bcma                   36446  1 b43
>>> mac80211              425575  1 b43
>>> ssb                    51408  2 b43,b44
>>> pcmcia                 44245  2 b43,ssb
>>> wl                   6087369  0
>>> cfg80211              350041  3 wl,b43,mac80211
>>> rng_core               12645  1 b43
>>> mmc_core               91803  4 b43,ssb,sdhci,sdhci_pci
>>> root@JoaoBatistaFN:~# sudo apt-get purge bcmwl-kernel-source
>>> Lendo listas de pacotes... Pronto
>>> Construindo árvore de dependências
>>> Lendo informação de estado... Pronto
>>> E: Impossível encontrar o pacote bcmwl-kernel-source
>>>
>>> Com isso verificamos que alguns comandos não funcionaram.
>>>
>>> Thiago
>>>
>>> Em dom, 14 de ago de 2016 às 12:51, real bas <realba...@gmail.com>
>>> escreveu:
>>>
>>>> Veja esse tópico [1] leia ela inteira, o criador do tópico começa a ter
>>>> resultados depois do post #23, parece ser o mesmo problema driver instalado
>>>> mas wifi não funciona
>>>>
>>>> [1] broadcom bcm4311 802.11b/g wlan driver needed
>>>> <https://ubuntuforums.org/showthread.php?t=2203312>
>>>>
>>>> Em 12 de agosto de 2016 10:39, Thiago Canuto <thiagocanuto...@gmail.com
>>>> > escreveu:
>>>>
>>>>> Desde o Ubuntu, depois Xubuntu, Lubuntu e por fim Debian com LXDE.
>>>>> Talvez se eu refizer os comandos anteriores feito no início ele volte
>>>>> a funcionar, ou talvez terei que add algo no black list. Eu não sei.
>>>>>
>>>>> Em 10h05 sex, 12/08/2016, Rodolfo <rof20...@gmail.com> escreveu:
>>>>>
>>>>>> Ok, mas há quanto tempo você não utiliza wifi no windows ?
>>>>>>
>>>>>> Desde a sua instalação atual do Linux nunca funcionou ? Ou funcionava
>>>>>> e parou ?
>>>>>>
>>>>>> Em 12 de agosto de 2016 10:03, Thiago Canuto <
>>>>>> thiagocanuto...@gmail.com> escreveu:
>>>>>>
>>>>>>> Bom dia Rodolfo.
>>>>>>>
>>>>>>> Antes era o Windows XP e funcionava o Wifi.
>>>>>>>
>>>>>>> Thiago
>>>>>>>
>>>>>>> Em sex, 12 de ago de 2016 às 07:40, Rodolfo <rof20...@gmail.com>
>>>>>>> escreveu:
>>>>>>>
>>>>>>>> Você tem o windows nesse notebook ? Já tentou utilizar o windows e
>>>>>>>> verificar se a wifi funciona ? Só para descartar problemas de 
>>>>>>>> hardware....
>>>>>>>>
>>>>>>>> Em 12 de agosto de 2016 00:28, Thiago Canuto <
>>>>>>>> thiagocanuto...@gmail.com> escreveu:
>>>>>>>>
>>>>>>>>> Olá Rodolfo.
>>>>>>>>>
>>>>>>>>> Antes de tudo, obrigado pela ajuda.
>>>>>>>>>
>>>>>>>>> Demorei, mas voltei. Peço desculpas pela demora, se for algum
>>>>>>>>> problema.
>>>>>>>>>
>>>>>>>>> Então... voltando... instalei hoje firmware-linux-nonfree, mas
>>>>>>>>> ainda continuo sem reconhecer o Wifi.
>>>>>>>>>
>>>>>>>>> Tenho sim instalados, conforme me mostra através do comando na
>>>>>>>>> qual me ensinou.
>>>>>>>>>
>>>>>>>>> ~$ dpkg -l |grep b43
>>>>>>>>> ii  b43-fwcutter
>>>>>>>>> 1:019-2                              i386         utility for
>>>>>>>>> extracting Broadcom 43xx firmware
>>>>>>>>> ii  firmware-b43-installer
>>>>>>>>> 1:019-2                              all          firmware
>>>>>>>>> installer for the b43 driver
>>>>>>>>>
>>>>>>>>> Mesmo assim, não liga o Wifi
>>>>>>>>>
>>>>>>>>> E agora, qual o próximo passo?
>>>>>>>>>
>>>>>>>>> Thiago
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Em ter, 5 de jul de 2016 às 18:16, Rodolfo <rof20...@gmail.com>
>>>>>>>>> escreveu:
>>>>>>>>>
>>>>>>>>>> Primeiro, eu mandei uma mensagem hoje falando que eu tinha
>>>>>>>>>> escrito o nome do pacote errado, o certo é:
>>>>>>>>>>
>>>>>>>>>> firmware-linux-nonfree
>>>>>>>>>>
>>>>>>>>>> Segundo, você está executando como root ?
>>>>>>>>>>
>>>>>>>>>> Por último, você não disse que já tinha instalado o b43-fwcutter
>>>>>>>>>> ? como assim você deseja saber se já tem instalado ? você já não 
>>>>>>>>>> sabia
>>>>>>>>>> antes ?
>>>>>>>>>>
>>>>>>>>>> O comando para ver pacotes instalados é:
>>>>>>>>>>
>>>>>>>>>> dpkg -l
>>>>>>>>>>
>>>>>>>>>> para filtrar para ver um pacote específico:
>>>>>>>>>>
>>>>>>>>>> dpkg -l  | grep b43
>>>>>>>>>>
>>>>>>>>>> ou dpkg -l | grep firmware
>>>>>>>>>>
>>>>>>>>>> Abraços.
>>>>>>>>>>
>>>>>>>>>> Em 5 de julho de 2016 17:43, Thiago Canuto <
>>>>>>>>>> thiagocanuto...@gmail.com> escreveu:
>>>>>>>>>>
>>>>>>>>>>> Olá. Tentei o comando:
>>>>>>>>>>>  # apt-get install b43-fwcutter linux-firmware-nonfree
>>>>>>>>>>>
>>>>>>>>>>> Depois me apareceu a seguinte mensagem:
>>>>>>>>>>>
>>>>>>>>>>> # apt-get install b43-fwcutter linux-firmware-nonfree
>>>>>>>>>>> E: Não foi possível obter trava /var/lib/dpkg/lock - open (11:
>>>>>>>>>>> Recurso temporariamente indisponível)
>>>>>>>>>>> E: Não foi possível obter acesso exclusivo ao directório de
>>>>>>>>>>> administração (/var/lib/dpkg/), outro processo está a utilizá-lo?
>>>>>>>>>>>
>>>>>>>>>>> Aproveito e pergunto como saber se já tenho instalado, caso já
>>>>>>>>>>> tenha instalado? Pois não me lembro.
>>>>>>>>>>>
>>>>>>>>>>> 2016-07-05 16:20 GMT-04:00 Rodolfo <rof20...@gmail.com>:
>>>>>>>>>>>
>>>>>>>>>>>> Oxi, agora que vi, escrevi errado, o certo é:
>>>>>>>>>>>>
>>>>>>>>>>>> firmware-linux-nonfree
>>>>>>>>>>>>
>>>>>>>>>>>> hehehe, desculpem, mas e como disse o Vinícius, instalou o
>>>>>>>>>>>> firmware-linux-nonfree ?
>>>>>>>>>>>>
>>>>>>>>>>>> Abraços.
>>>>>>>>>>>>
>>>>>>>>>>>> 2016-07-05 13:36 GMT-04:00 Vinícius RM <v...@cin.ufpe.br>:
>>>>>>>>>>>>
>>>>>>>>>>>>> E o linux-firmware-nonfree?
>>>>>>>>>>>>>
>>>>>>>>>>>>> 2016-07-05 0:24 GMT-03:00 Thiago Canuto <
>>>>>>>>>>>>> thiagocanuto...@gmail.com>:
>>>>>>>>>>>>>
>>>>>>>>>>>>>> Olá.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Sim. Já tenho instalado o b43-fwcutter. Instalei pelo
>>>>>>>>>>>>>> Synaptic.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> 2016-07-04 7:16 GMT-04:00 Rodolfo <rof20...@gmail.com>:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> No meu notebook anterior eu usava a Broadcom sem problemas e
>>>>>>>>>>>>>>> dificuldades, mas antes tive que instalar esses pacotes:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> # apt-get install b43-fwcutter linux-firmware-nonfree
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> Verifique se você tem eles instalado.
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> 2016-07-04 2:15 GMT-04:00 Thiago Canuto <
>>>>>>>>>>>>>>> thiagocanuto...@gmail.com>:
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Olá.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Também estou com este problema atualmente. Estou usando um
>>>>>>>>>>>>>>>> notebook STi IS-1451, e já tem mais de 1 semana que tento 
>>>>>>>>>>>>>>>> varias
>>>>>>>>>>>>>>>> alternativas para solucionar, mas nada de resolver este 
>>>>>>>>>>>>>>>> problema. Pesquisei
>>>>>>>>>>>>>>>> em fóruns, sites, etc. e em ultimo caso decidi "incomodar"
>>>>>>>>>>>>>>>> :-[ a comunidade e pedir ajuda aqui.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Fiz todos os passos iniciais depois de instalar como:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> *Atualizar a source.list com contrib non-free;*
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> # Debian 8 "Jessie"
>>>>>>>>>>>>>>>> deb http://httpredir.debian.org/debian/ jessie main
>>>>>>>>>>>>>>>> contrib non-free
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Instalei o firmware b43 através do Synaptic;
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> * No link: https://wiki.debian.org/wl
>>>>>>>>>>>>>>>> <https://wiki.debian.org/wl> , fiz os procedimentos:*
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Installation
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>     Add a "non-free" component to /etc/apt/sources.list for
>>>>>>>>>>>>>>>> your Debian version, for example:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>     *# Debian 8 "Jessie"*
>>>>>>>>>>>>>>>> *    deb http://httpredir.debian.org/debian/
>>>>>>>>>>>>>>>> <http://httpredir.debian.org/debian/> jessie main contrib 
>>>>>>>>>>>>>>>> non-free*
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>     Update the list of available packages. Install the
>>>>>>>>>>>>>>>> relevant/latest linux-image, linux-headers and 
>>>>>>>>>>>>>>>> broadcom-sta-dkms packages:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>     *# apt-get update*
>>>>>>>>>>>>>>>> *    # apt-get install linux-image-$(uname -r|sed
>>>>>>>>>>>>>>>> 's,[^-]*-[^-]*-,,') linux-headers-$(uname -r|sed 
>>>>>>>>>>>>>>>> 's,[^-]*-[^-]*-,,')
>>>>>>>>>>>>>>>> broadcom-sta-dkms*
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>     This will also install the recommended wireless-tools
>>>>>>>>>>>>>>>> package. DKMS will build the wl module for your system.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>     Unload conflicting modules:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>     *# modprobe -r b44 b43 b43legacy ssb brcmsmac bcma*
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>     Load the wl module:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>     *# modprobe wl*
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> *Digitei o comando:*
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> *# iwconfig wlan0*
>>>>>>>>>>>>>>>> *wlan0     No such device*
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Instalei o *laptop-mode-tools* através do Synaptic.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Alterei o *WIRELESS_BATT_POWER_SAVING=0* dentro de
>>>>>>>>>>>>>>>> /etc/laptop-mode/conf.d/wireless-power.conf e reinicie o
>>>>>>>>>>>>>>>> notebook
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Depois disso não consegui mais visualizar o *wlan0*. Antes
>>>>>>>>>>>>>>>> de fazer os comandos acima do site
>>>>>>>>>>>>>>>> https://wiki.debian.org/wl eu conseguia visualizar, porem
>>>>>>>>>>>>>>>> sem ter acesso ao Wifi.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Depois pesquisando em alguns fóruns descobri alguns
>>>>>>>>>>>>>>>> comandos que me mostra as informações sobre o wifi, que pode 
>>>>>>>>>>>>>>>> ser útil. Me
>>>>>>>>>>>>>>>> apareceu isto:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> *lspci -k |grep -A2 -i network*
>>>>>>>>>>>>>>>> 03:00.0 Network controller: Broadcom Corporation BCM4311
>>>>>>>>>>>>>>>> 802.11b/g WLAN (rev 01)
>>>>>>>>>>>>>>>>     Subsystem: Quanta Microsystems, Inc Device 1102
>>>>>>>>>>>>>>>> 05:00.0 Ethernet controller: Marvell Technology Group Ltd.
>>>>>>>>>>>>>>>> 88E8055 PCI-E Gigabit Ethernet Controller (rev 11)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> *Drivers:*
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> *$ ls -l /lib/modules/`uname
>>>>>>>>>>>>>>>> -r`/kernel/drivers/net/wireless/*
>>>>>>>>>>>>>>>> *total 648*
>>>>>>>>>>>>>>>> -rw-r--r--  1 root root 37160 Abr  8 19:21 adm8211.ko
>>>>>>>>>>>>>>>> -rw-r--r--  1 root root  7284 Abr  8 19:21 airo_cs.ko
>>>>>>>>>>>>>>>> -rw-r--r--  1 root root 96676 Abr  8 19:21 airo.ko
>>>>>>>>>>>>>>>> -rw-r--r--  1 root root 53388 Abr  8 19:21 at76c50x-usb.ko
>>>>>>>>>>>>>>>> drwxr-xr-x  9 root root  4096 Jun 19 19:03 ath
>>>>>>>>>>>>>>>> -rw-r--r--  1 root root 10688 Abr  8 19:21 atmel_cs.ko
>>>>>>>>>>>>>>>> -rw-r--r--  1 root root 48124 Abr  8 19:21 atmel.ko
>>>>>>>>>>>>>>>> -rw-r--r--  1 root root  4196 Abr  8 19:21 atmel_pci.ko
>>>>>>>>>>>>>>>> drwxr-xr-x  2 root root  4096 Jun 19 19:03 b43
>>>>>>>>>>>>>>>> drwxr-xr-x  2 root root  4096 Jun 19 19:03 b43legacy
>>>>>>>>>>>>>>>> drwxr-xr-x  5 root root  4096 Jun 19 19:03 brcm80211
>>>>>>>>>>>>>>>> drwxr-xr-x  2 root root  4096 Jun 19 19:03 hostap
>>>>>>>>>>>>>>>> drwxr-xr-x  2 root root  4096 Jun 19 19:03 ipw2x00
>>>>>>>>>>>>>>>> drwxr-xr-x  2 root root  4096 Jun 19 19:03 iwlegacy
>>>>>>>>>>>>>>>> drwxr-xr-x  4 root root  4096 Jun 19 19:03 iwlwifi
>>>>>>>>>>>>>>>> drwxr-xr-x  2 root root  4096 Jun 19 19:03 libertas
>>>>>>>>>>>>>>>> drwxr-xr-x  2 root root  4096 Jun 19 19:03 libertas_tf
>>>>>>>>>>>>>>>> -rw-r--r--  1 root root 49656 Abr  8 19:21 mac80211_hwsim.ko
>>>>>>>>>>>>>>>> drwxr-xr-x  2 root root  4096 Jun 19 19:03 mwifiex
>>>>>>>>>>>>>>>> -rw-r--r--  1 root root 64476 Abr  8 19:21 mwl8k.ko
>>>>>>>>>>>>>>>> drwxr-xr-x  2 root root  4096 Jun 19 19:03 orinoco
>>>>>>>>>>>>>>>> drwxr-xr-x  2 root root  4096 Jun 19 19:03 p54
>>>>>>>>>>>>>>>> -rw-r--r--  1 root root 63056 Abr  8 19:21 ray_cs.ko
>>>>>>>>>>>>>>>> -rw-r--r--  1 root root 62060 Abr  8 19:21 rndis_wlan.ko
>>>>>>>>>>>>>>>> drwxr-xr-x  2 root root  4096 Jun 19 19:03 rsi
>>>>>>>>>>>>>>>> drwxr-xr-x  2 root root  4096 Jun 19 19:03 rt2x00
>>>>>>>>>>>>>>>> drwxr-xr-x  4 root root  4096 Jun 19 19:03 rtl818x
>>>>>>>>>>>>>>>> drwxr-xr-x 12 root root  4096 Jun 19 19:03 rtlwifi
>>>>>>>>>>>>>>>> -rw-r--r--  1 root root 29420 Abr  8 19:21 wl3501_cs.ko
>>>>>>>>>>>>>>>> -rw-r--r--  1 root root 29176 Abr  8 19:21 zd1201.ko
>>>>>>>>>>>>>>>> drwxr-xr-x  2 root root  4096 Jun 19 19:03 zd1211rw
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> *# lspci -nn -d 14e4:*
>>>>>>>>>>>>>>>> 03:00.0 Network controller [0280]: Broadcom Corporation
>>>>>>>>>>>>>>>> BCM4311 802.11b/g WLAN [14e4:4311] (rev 01)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> *Driver carregado:*
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> *~$ lspci -k |grep -A2 -i network*
>>>>>>>>>>>>>>>> 03:00.0 Network controller: Broadcom Corporation BCM4311
>>>>>>>>>>>>>>>> 802.11b/g WLAN (rev 01)
>>>>>>>>>>>>>>>>     Subsystem: Quanta Microsystems, Inc Device 1102
>>>>>>>>>>>>>>>> 05:00.0 Ethernet controller: Marvell Technology Group Ltd.
>>>>>>>>>>>>>>>> 88E8055 PCI-E Gigabit Ethernet Controller (rev 11)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> *$ lspci*
>>>>>>>>>>>>>>>> 00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS,
>>>>>>>>>>>>>>>> 943/940GML and 945GT Express Memory Controller Hub (rev 03)
>>>>>>>>>>>>>>>> 00:02.0 VGA compatible controller: Intel Corporation Mobile
>>>>>>>>>>>>>>>> 945GM/GMS, 943/940GML Express Integrated Graphics Controller 
>>>>>>>>>>>>>>>> (rev 03)
>>>>>>>>>>>>>>>> 00:02.1 Display controller: Intel Corporation Mobile
>>>>>>>>>>>>>>>> 945GM/GMS/GME, 943/940GML Express Integrated Graphics 
>>>>>>>>>>>>>>>> Controller (rev 03)
>>>>>>>>>>>>>>>> 00:1b.0 Audio device: Intel Corporation NM10/ICH7 Family
>>>>>>>>>>>>>>>> High Definition Audio Controller (rev 02)
>>>>>>>>>>>>>>>> 00:1c.0 PCI bridge: Intel Corporation NM10/ICH7 Family PCI
>>>>>>>>>>>>>>>> Express Port 1 (rev 02)
>>>>>>>>>>>>>>>> 00:1c.1 PCI bridge: Intel Corporation NM10/ICH7 Family PCI
>>>>>>>>>>>>>>>> Express Port 2 (rev 02)
>>>>>>>>>>>>>>>> 00:1c.2 PCI bridge: Intel Corporation NM10/ICH7 Family PCI
>>>>>>>>>>>>>>>> Express Port 3 (rev 02)
>>>>>>>>>>>>>>>> 00:1d.0 USB controller: Intel Corporation NM10/ICH7 Family
>>>>>>>>>>>>>>>> USB UHCI Controller #1 (rev 02)
>>>>>>>>>>>>>>>> 00:1d.1 USB controller: Intel Corporation NM10/ICH7 Family
>>>>>>>>>>>>>>>> USB UHCI Controller #2 (rev 02)
>>>>>>>>>>>>>>>> 00:1d.2 USB controller: Intel Corporation NM10/ICH7 Family
>>>>>>>>>>>>>>>> USB UHCI Controller #3 (rev 02)
>>>>>>>>>>>>>>>> 00:1d.3 USB controller: Intel Corporation NM10/ICH7 Family
>>>>>>>>>>>>>>>> USB UHCI Controller #4 (rev 02)
>>>>>>>>>>>>>>>> 00:1d.7 USB controller: Intel Corporation NM10/ICH7 Family
>>>>>>>>>>>>>>>> USB2 EHCI Controller (rev 02)
>>>>>>>>>>>>>>>> 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI
>>>>>>>>>>>>>>>> Bridge (rev e2)
>>>>>>>>>>>>>>>> 00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC
>>>>>>>>>>>>>>>> Interface Bridge (rev 02)
>>>>>>>>>>>>>>>> 00:1f.1 IDE interface: Intel Corporation 82801G (ICH7
>>>>>>>>>>>>>>>> Family) IDE Controller (rev 02)
>>>>>>>>>>>>>>>> 00:1f.2 SATA controller: Intel Corporation 82801GBM/GHM
>>>>>>>>>>>>>>>> (ICH7-M Family) SATA Controller [AHCI mode] (rev 02)
>>>>>>>>>>>>>>>> 00:1f.3 SMBus: Intel Corporation NM10/ICH7 Family SMBus
>>>>>>>>>>>>>>>> Controller (rev 02)
>>>>>>>>>>>>>>>> 03:00.0 Network controller: Broadcom Corporation BCM4311
>>>>>>>>>>>>>>>> 802.11b/g WLAN (rev 01)
>>>>>>>>>>>>>>>> 05:00.0 Ethernet controller: Marvell Technology Group Ltd.
>>>>>>>>>>>>>>>> 88E8055 PCI-E Gigabit Ethernet Controller (rev 11)
>>>>>>>>>>>>>>>> 07:01.0 CardBus bridge: Texas Instruments PCIxx12 Cardbus
>>>>>>>>>>>>>>>> Controller
>>>>>>>>>>>>>>>> 07:01.1 FireWire (IEEE 1394): Texas Instruments PCIxx12
>>>>>>>>>>>>>>>> OHCI Compliant IEEE 1394 Host Controller
>>>>>>>>>>>>>>>> 07:01.2 Mass storage controller: Texas Instruments 5-in-1
>>>>>>>>>>>>>>>> Multimedia Card Reader (SD/MMC/MS/MS PRO/xD)
>>>>>>>>>>>>>>>> 07:01.3 SD Host controller: Texas Instruments PCIxx12 SDA
>>>>>>>>>>>>>>>> Standard Compliant SD Host Controller
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> *# ifconfig -a *eth0      Link encap:Ethernet  Endereço de
>>>>>>>>>>>>>>>> HW 00:1b:24:47:96:a2
>>>>>>>>>>>>>>>>           inet end.: 192.168.0.20  Bcast:192.168.0.255
>>>>>>>>>>>>>>>> Masc:255.255.255.0
>>>>>>>>>>>>>>>>           endereço inet6: fe80::21b:24ff:fe47:96a2/64
>>>>>>>>>>>>>>>> Escopo:Link
>>>>>>>>>>>>>>>>           UP BROADCASTRUNNING MULTICAST  MTU:1500  Métrica:1
>>>>>>>>>>>>>>>>           RX packets:78036 errors:0 dropped:0 overruns:0
>>>>>>>>>>>>>>>> frame:0
>>>>>>>>>>>>>>>>           TX packets:62759 errors:0 dropped:0 overruns:0
>>>>>>>>>>>>>>>> carrier:0
>>>>>>>>>>>>>>>>           colisões:0 txqueuelen:1000
>>>>>>>>>>>>>>>>           RX bytes:71494430 (68.1 MiB)  TX bytes:7452824
>>>>>>>>>>>>>>>> (7.1 MiB)
>>>>>>>>>>>>>>>>           IRQ:18
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> lo        Link encap:Loopback Local
>>>>>>>>>>>>>>>>           inet end.: 127.0.0.1  Masc:255.0.0.0
>>>>>>>>>>>>>>>>           endereço inet6: ::1/128 Escopo:Máquina
>>>>>>>>>>>>>>>>           UP LOOPBACKRUNNING  MTU:65536  Métrica:1
>>>>>>>>>>>>>>>>           RX packets:34 errors:0 dropped:0 overruns:0
>>>>>>>>>>>>>>>> frame:0
>>>>>>>>>>>>>>>>           TX packets:34 errors:0 dropped:0 overruns:0
>>>>>>>>>>>>>>>> carrier:0
>>>>>>>>>>>>>>>>           colisões:0 txqueuelen:0
>>>>>>>>>>>>>>>>           RX bytes:3547 (3.4 KiB)  TX bytes:3547 (3.4 KiB)
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> *(wlan0) sumiu!*
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> digitei o comando *# rfkill list* mas não aparece nada
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>
>>>>>>
>>>>
>

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