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Wireless isn't working in ubuntu 14.04, even after installing bcmwl-kernel-source package & enabling it via: Software & Update/Additional Drivers Also, There are no options to enable a Wireless network in System Settings/Network. I work on a new Dell Inspirion 3543.

Here are the Network card details:

06:00.0 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]
    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-
    Interrupt: pin A routed to IRQ 255
    Region 0: Memory at f7200000 (64-bit, non-prefetchable) [disabled] [size=32K]
    Capabilities: <access denied>

07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 07)
    Subsystem: Dell Device [1028:0656]

dpkg -l | grep bcmwl result:

ii  bcmwl-kernel-source             6.30.223.248+bdcom-0ubuntu1 

amd64        Broadcom 802.11 Linux STA wireless driver source

I already tried the answer:

Drivers for Broadcom BCM43142 on Ubuntu 14.04 (Trusty Tahr)

But still bcmwl-kernel-source wouldn't install correctly, it gets installed with no wl!

Community
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user3305447
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1 Answers1

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Which kernel you are using (uname -a)?

I had the same problem after updating from 3.19 to 4.0 because the bcmwl-kernel-source package isn't working with 4.0 at the moment. If this is your problem, you can find more information about it (and the patch) here.

Edit: If someone is looking for the patch and how to apply it: longsleep (the author) updated the readme section of the project on how to build and install the package.

lumen
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