Wifi not working for Ubuntu 14.04

Posted by user286975 on Ask Ubuntu See other posts from Ask Ubuntu or by user286975
Published on 2014-05-30T21:58:47Z Indexed on 2014/05/30 22:01 UTC
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Filed under:

wireless

|

networking

|

broadcom

I have installed the Ubuntu 14.04 on Dell Vostro 2520 laptop. Wifi is not working after installation. Tried several methods to install but nothing happens.

Vostro-2520:~$ sudo rfkill list all 0: hci0: Bluetooth Soft blocked: no Hard blocked: no

Vostro-2520:~$ iwconfig usb0 no wireless extensions.

eth0 no wireless extensions.

lo no wireless extensions.

The hardware is Broadcom 802.11 bcm43142. Please help to solve this issue.

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