我最近在我的 DELL 笔记本电脑 Inspiron E1505 上安装了 Ubuntu 13.10。它似乎运行正常，只是我还无法连接到家里的 wifi。我在这里搜索了几个答案，但似乎没有一个对我有用。
我似乎找不到"System Settings -> Additional Drivers"
我是个新手，但遵循了帖子里的所有建议。我从终端得到了这个。
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:~$
如果我必须通过以太网电缆连接，我知道要将其插入，但是当我这样做时......仍然一无所获。
：） 提前致谢！
答案1
尝试安装 Broadcom 驱动程序和无线工具包：
sudo apt-get install broadcom-sta-common wireless-tools