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I believe I followed this guide for installing WiFi drivers for my Broadcom 4321 chipset, but alas I still get the following:

arjun@perseus:~$ sudo iwlist wlan0 scan
wlan0     No scan results

For all your debugging needs here are the results from this handy script which essentially dumps all the system information possible related to WiFi.

If it helps, this is Ubuntu 14.10, 64-bit with kernel 3.16.0-23-generic on a 1st generation MacBook Air. Someone somewhere get this thing onto a WiFi network please.

Community
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Arjun Govindjee
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1 Answers1

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First, check if your ethernet driver is b44. If so, we will use that information in a possible later step.

sudo lshw -C network

Next, I suggest, for your rather rare and lightly documented wireless device, that we try the proprietary driver:

sudo apt-get install bcmwl-kernel-source

If it turns out that your ethernet driver is b44, it will now effectively be blacklisted. Please try:

gksudo gedit /etc/modprobe.d/blacklist-bcm43.conf

Use nano or kate or leafpad if you don't have the text editor gedit. There is a line there that reads:

blacklist ssb

Comment it out like this:

#blacklist ssb

Proofread, save and close the text editor. If your ethernet driver is not b44, this step is unnecessary.

Reboot and tell us if the wireless and ethernet are working.

chili555
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