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I found a solution. You need to search for a .hex file from a Windows installation, I found mine in C:\Windows\System32\drivers\BCM43142A0_001.001.011.0197.0231.hex; find the one that starts with BCM43142A0. Then you need to convert it to hcd format. You can find the tool at https://github.com/jessesung/hex2hcd. git clone ...


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The proprietary driver wl is generally not the preferred driver for your 14e4:4727 device. Let's remove it: sudo apt-get purge bcmwl-kernel-source And now we load the preferred driver: sudo modprobe brcmsmac It may take a reboot. Is there any improvement?


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I believe the proprietary driver wl is incorrect for your 14e4:4328 device in Ubuntu 14.04. Also, you have both that, brcmsmac AND the driver for your USB wireless loaded. Please open a terminal and do: sudo apt-get update sudo apt-get purge bcmwl-kernel-source sudo apt-get install firmware-b43-installer After it finishes, detach the USB, reboot and tell ...


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I believe that one or more drivers that require blacklisting are still loading. Please open a terminal and do: sudo -i echo "blacklist b43" >> /etc/modprobe.d/blacklist.conf echo "blacklist bcma" >> /etc/modprobe.d/blacklist.conf echo "blacklist brcmsmac" >> /etc/modprobe.d/blacklist.conf echo "blacklist ssb" >> ...



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