wifi doesn't work on ubuntu 16.04 , dell inspiron e5520

Asked Jul 22 '18 at 13:50

Active Jul 22 '18 at 15:00

Viewed 21 times

After installing OS update, reboot and wifi doesn't work. Looked at similar problems, but unfortunately there was nothing to help.

$ lspci -knn | grep Net -A2
08:00.0 Network controller [0280]: Broadcom Corporation BCM43142 802.11b/g/n [14e4:4365] (rev 01)
    Subsystem: Dell Wireless 1704 802.11n + BT 4.0 [1028:0016]
    Kernel modules: bcma, wl

sudo systemctl restart network-manager.service doesn't help, driver is worked. property reinstalled.

edited Jul 22 '18 at 15:00

David Foerster

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asked Jul 22 '18 at 13:50

I Kim

1

Run sudo modprobe wl and you'll see the problem. Disable Secure Boot in BIOS. – Pilot6 Jul 22 '18 at 13:55
@Pilot6 Tnx i'm searching this problem 1 day. It worked Thank you!! – I Kim Jul 22 '18 at 13:58

wifi doesn't work on ubuntu 16.04 , dell inspiron e5520

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