Ubuntu: Ubuntu won't find any wifi near me to connect to [duplicate]



Question:

This question already has an answer here:

Ubuntu won't find any wifi near me to connect and I don't know how. I was fine connecting to wifi with windows 7 but now I can't connect to any or find wifi.

Can't find any wifi

Here is the output of lspci -knn | grep Net -A3; rfkill list:

09:00.0 Ethernet controller [0200]: Broadcom Corporation NetXtreme BCM5752 Gigabit Ethernet PCI Express [14e4:1600] (rev 02)      Subsystem: Dell NetXtreme BCM5752 Gigabit Ethernet PCI Express [1028:01cc]      Kernel driver in use: tg3      Kernel modules: tg3  0c: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: b43-pci-bridge      Kernel modules: ssb  0: dell-wifi: Wireless LAN      Soft blocked: no      Hard blocked: no  


Solution:1

Short answer:

Connect to the internet by wire and run

sudo apt install firmware-b43-installer  

After that reboot or run

sudo modprobe -r b43  sudo modprobe b43  

Your Wi-Fi should work.


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