Guys recently i installed ubuntu in my dell inspiron and after installing it my wifi is not working. Any help would be appreciated. And here are the results as asked.
lspci -vnn | grep Network
12:00.0 Network controller [0280]: Broadcom Corporation BCM4313 802.11bgn Wireless Network Adapter [14e4:4727] (rev 01)
You should have it in additional drivers. But in case you do not, please read this.
https://help.ubuntu.com/community/WifiDocs/Driver/bcm43xx
Noteworthy excerpt:
Broadcom STA Wireless driver (Proprietary) For Chip ID BCM 4311, 4312, 4313, 4321, 4322, 4331, 4352, 4360, 43142, 43224, 43225, 43227, 43228, and others as suggested by Broadcom.
The propietary Broadcom STA Wireless driver is maintained upstream by Broadcom. As this driver is closed source, fixes in the driver itself may only be provided by Broadcom. As a convenience, Ubuntu offers two versions of this driver:
The bcmwl-kernel-source package aims to offer a later version for a given release. Instructions for installation may be found later in this article.
The broadcom-sta package aims to offer an earlier version for a given release. For further installation instructions, please see here.
lspci -vnn | grep Network– Parto Nov 13 '15 at 07:22Settings->Software & Updates->Additional Driverstab and see if you have any additional drivers you can install. – Parto Nov 13 '15 at 07:24systemctl restart network-manger.service– Gayan Weerakutti Nov 13 '15 at 07:33sudo service network-manager restart. If that did not workservice networking restart– Gayan Weerakutti Nov 13 '15 at 07:38