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Clicking on the wifi dropdown menu on the upper right shows options of "Ethernet Network"(greyed out) and "Enable Networking". However there is no enable Wifi option at all. Running sudo service network-manager restart doesn't fix the issue, just prompts the "Disconnnected-you are now offline" popup.

Running lspci -nn -d 14e4: returns 06:00.0 Network controller [0280]: Broadcom Corporation BCM4322 802.11a/b/g/n Wireless Lan Controller [14e4:432b] (rev01)

Hardware switch for wifi on the laptop (which is a lightup button) is continuously lit up meaning that wifi should be on, except it's not.

Not sure what to do, but thanks in advance for any suggestions.

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  • Try connecting to the Internet over wired network, then start "Additional Drivers" and see if Ubuntu finds a proprietary driver for your Wifi controller automatically. If it does, try switching to the proprietary driver.
    – Beef Eater
    Commented Jul 27, 2016 at 21:14

1 Answer 1

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Hello,

I had this problem on my Ubuntu 14.04 LTS.

Try disabling secure boot in BIOS. It worked for me.

Hope I helped,

-orion-

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