No Wifi for Broadcom BCM43142

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aurobindosaha
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Joined: Tue Oct 23, 2018 2:21 pm

No Wifi for Broadcom BCM43142

Post by aurobindosaha » Tue Oct 23, 2018 2:57 pm

Unable to see Wifi after Linux Mint Cinnamon 18.3.
Working fine till yesterday, and then after Update Manager did its regular maintenance, Wifi went away.
Kindly help

Code: Select all

aurobindo@aurobindo-Inspiron-3542 ~ $ inxi -nn
Network:   Card-1: Broadcom BCM43142 802.11b/g/n driver: bcma-pci-bridge
           IF: N/A state: N/A mac: N/A
           Card-2: Realtek RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller
           driver: r8169
           IF: enp7s0 state: down mac: 20:47:47:1f:aa:21


aurobindo@aurobindo-Inspiron-3542 ~ $ rfkill unblock wifi
aurobindo@aurobindo-Inspiron-3542 ~ $ iwlist scan
lo        Interface doesn't support scanning.

enp7s0    Interface doesn't support scanning.


aurobindo@aurobindo-Inspiron-3542 ~ $ ifconfig
enp7s0    Link encap:Ethernet  HWaddr 20:47:47:1f:aa:21  
          UP BROADCAST MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:1760 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1760 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:139664 (139.6 KB)  TX bytes:139664 (139.6 KB)

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