problem wireless ubuntu ( Laptop HP )

Ubuntu 11.10 getting wireless BCM4311 working

October 15, 2011 by Neil Smith

I have an HP laptop model nx6325 with a Broadcom BCM4311 wireless card.  After installing Ubuntu 11.10, I find that my wireless doesn’t work.  The reason, Ubuntu detects the wireless but then loads the incorrect driver for this card.

I use the lspci command to display the details about my hardware. It will display all of your PCI connected hardware. I edited the output to show only the relevant information.  The important information here for  matching your hardware with mine is this indentifier [14e4:4312].

$ sudo lspci -v
30:00.0 Network controller: Broadcom Corporation BCM4311 802.11a/b/g (rev 01)
        Subsystem: Hewlett-Packard Company Broadcom 802.11a/b/g WLAN
        Flags: bus master, fast devsel, latency 0, IRQ 18
        Memory at c8000000 (32-bit, non-prefetchable) [size=16K]
        Capabilities: [40] Power Management version 2
        Capabilities: [58] MSI: Enable- Count=1/1 Maskable- 64bit-
        Capabilities: [d0] Express Legacy Endpoint, MSI 00
        Capabilities: [100] Advanced Error Reporting
        Capabilities: [13c] Virtual Channel
        Kernel driver in use: b43-pci-bridge
        Kernel modules: ssb
$ sudo lspci -nn
30:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11a/b/g [14e4:4312] (rev 01)

The Solution

I am  going to install the correct driver for this wireless card. Then I will remove the “incorrect” driver (bcmwl) which Ubuntu installed by default.

$ sudo apt-get update
$ sudo apt-get install firmware-b43-installer
$ sudo apt-get remove bcmwl-kernel-source
$ sudo reboot

Hopefully you found this useful.

If you have this same type of wireless chip in your laptop, these instructions might also work for you.

One thought on “problem wireless ubuntu ( Laptop HP )

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