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I use a Macbook Pro 2012 . I had an urgent build to be done in linux , so installed Debian on a partition . However , it doesn't have an option of a wifi . Doing lsusb or lspci doesn't show the wifi adapter either .

Does anyone know what wifi adapter/driver Mac/OSX has ? and how that can be installed on Debian ?

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  • I am very worried by your statement that your wifi card is not detected by lspci. This has nothing to do with having or not a driver for it (and, BTW, installing wl is a terrible idea). Could you pls display the whole output of lspci -vnn | grep -A 6 -i net?
    – MariusMatutiae
    Mar 4, 2016 at 4:11

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According to here, the adapter is a Broadcom BCM94331PCIEBT4AX.

Looking on the WikiDevi site, it states a couple of potential sources for the driver, suggesting it's in the broadcom-wl package. Information on getting this package can be found here (instructions copied below), or from an installer here.

  1. Add a "non-free" component to /etc/apt/sources.list for your Debian version, for example:

    Debian 8 "Jessie"

    deb http://httpredir.debian.org/debian/ jessie main contrib non-free

  2. Update the list of available packages. Install the relevant/latest linux-image, linux-headers and broadcom-sta-dkms packages:

    # apt-get update

    # apt-get install linux-image-$(uname -r|sed 's,[^-]*-[^-]*-,,') linux-headers-$(uname -r|sed 's,[^-]*-[^-]*-,,') broadcom-sta-dkms

    This will also install the recommended wireless-tools package. DKMS will build the wl module for your system.

  3. Unload conflicting modules:

    # modprobe -r b44 b43 b43legacy ssb brcmsmac bcma

  4. Load the wl module:

    # modprobe wl

  5. Configure your wireless interface as appropriate. See also known issues.

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