Broadcom BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01) is not working on Ubuntu 18.04

lspci -vvnn | grep -A 9 Network
08:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01) Subsystem: Broadcom Inc. and subsidiaries BCM4313 802.11bgn Wireless Network Adapter [14e4:051b] Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx- Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx- Latency: 0, Cache Line Size: 64 bytes Interrupt: pin A routed to IRQ 17 Region 0: Memory at e0400000 (64-bit, non-prefetchable) [size=16K] Capabilities: <access denied> Kernel driver in use: wl Kernel modules: bcma, wl
iwconfig
lo no wireless extensions.
enp7s0 no wireless extensions.
wlp8s0 IEEE 802.11 ESSID:off/any Mode:Managed Access Point: Not-Associated Retry short limit:7 RTS thr:off Fragment thr:off Power Management:off

I tried almost everything I saw about it but it still same. I am using Lenovo G570. Help me. And also I tried most of things in hereInstalling Broadcom Driver but still there is no wifi.

rfkill list all
0: ideapad_wlan: Wireless LAN Soft blocked: no Hard blocked: yes
1: ideapad_bluetooth: Bluetooth Soft blocked: no Hard blocked: yes
2: phy0: Wireless LAN Soft blocked: no Hard blocked: no
3: brcmwl-0: Wireless LAN Soft blocked: no Hard blocked: yes

2

1 Answer

The driver you should be using for that card is b43 firmware. Do this in a terminal sudo apt purge wl Then this sudo apt install firmware-b43-installer Reboot wifi should be working.

5

Your Answer

Sign up or log in

Sign up using Google Sign up using Facebook Sign up using Email and Password Submit

Post as a guest

Post Your Answer Discard

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy