Tente instalar o driver do broadcom e os pacotes de ferramentas sem fio:
sudo apt-get install broadcom-sta-common wireless-tools
Eu instalei recentemente o Ubuntu 13.10 no meu laptop DELL Inspiron E1505. Parece funcionar bem, exceto que ainda não consegui me conectar ao wifi em minha casa. Eu pesquisei várias respostas aqui, mas nenhuma parece funcionar para mim.
Não consigo encontrar o "System Settings -> Additional Drivers"
Eu sou um n00b, mas seguindo todos os conselhos das postagens. Eu consegui isso no terminal.
john@john-MM061:~$ iwconfig
lo no wireless extensions.
john@john-MM061:~$ iwconfig
lo no wireless extensions.
john@john-MM061:~$ sudo rfkill unblock all
[sudo] password for john:
john@john-MM061:~$ iwconfig
lo no wireless extensions.
john@john-MM061:~$ sudo modprobe rtl8192cu
john@john-MM061:~$ sudo iwlist wlan0 scan
wlan0 Interface doesn't support scanning.
john@john-MM061:~$ rfkill list all
john@john-MM061:~$ dmseg | grep iwl
No command 'dmseg' found, did you mean:
Command 'dmesg' from package 'util-linux' (main)
Command 'mmseg' from package 'sunpinyin-utils' (main)
dmseg: command not found
john@john-MM061:~$ dmesg | grep iwl
john@john-MM061:~$
john@john-MM061:~$
john@john-MM061:~$
john@john-MM061:~$ lspci -nnk | grep -i net -A2
03:00.0 Ethernet controller [0200]: Broadcom Corporation BCM4401-B0 100Base-TX [14e4:170c] (rev 02)
Subsystem: Dell Inspiron 6400 [1028:01af]
03:01.0 FireWire (IEEE 1394) [0c00]: Ricoh Co Ltd R5C832 IEEE 1394 Controller [1180:0832]
--
0b:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN [14e4:4311] (rev 01)
Subsystem: Dell Wireless 1390 WLAN Mini-Card [1028:0007]
Kernel driver in use: wl
john@john-MM061:~$ rfkill list all
john@john-MM061:~$ rfkill unblock lan
Bogus unblock argument 'lan'.
john@john-MM061:~$ rfkill unblock wlan
john@john-MM061:~$ sudo apt- get remove bcmwl-kernel-source
sudo: apt-: command not found
john@john-MM061:~$ sudo spt-get remove bcmwl-kernel-source
sudo: spt-get: command not found
john@john-MM061:~$ lspci -k -vv | grep -A11-i wlan
grep: 11-i: invalid context length argument
john@john-MM061:~$ lspci -k -vv | grep -A11 -1 wlan
john@john-MM061:~$ rfkill list all
john@john-MM061:~$ rfkill list all
john@john-MM061:~$
Se eu tiver que conectar via cabo ethernet, eu sei ligá-lo, mas quando eu fiz isso ... ainda nada.
:) Agradecemos antecipadamente!
Tente instalar o driver do broadcom e os pacotes de ferramentas sem fio:
sudo apt-get install broadcom-sta-common wireless-tools