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Fixing the WiFi issue on Acer Laptops running Linux ( Qualcomm Atheros Device 0042 ) February 21, 2016 - Mansoor Last week, I bought an Acer Laptop which had Linpus Linux installed in it. The reason why I went for acer instead of HP was that I intend to use Linux Mint as my primary operating systems and HP systems are notorious when it comes to Linux and wifi drivers. But, in my new laptop, I have installed Linux Mint 17.3 and I was shocked to see that the WiFi is not working.

I was really frustrated. But, fortunately, later that day I found out that the WiFi card used in the Laptop is a fairly new one and Linux distros does not have the driver in the official installation ( or the repos, for that matter ). And I was able to fix the Wifi issue very easily My Laptop: Acer Aspire E15 (E5-573G-3100) Note: This should work for any laptop with Qualcomm Atheros Device 0042 This is how I fixed the WiFi issue in my Laptop Update: The WiFi issues are fixed in later versions of Linux Kernel. So, I’d suggest you to use a later version of Linux Distro Like Ubuntu 16.04, Linux Mint 18 or even the latest version of Kali Linux and you shouldn’t face any WiFi issue Identify your WiFi device.

Open a terminal and issue lspci grep Network # It should display the name of your WiFi card # If the output is similar to the one below, you are in luck, we can fix this easily mansoor ~ $ lspci grep Network 03:00.0 Network controller: Qualcomm Atheros Device 0042 (rev 30 ) Once you have made sure that the Network device is the one above, follow the below steps to install the driver for WiFi Install git and tools to compile the driver sudo apt-get install build-essential linux-headers- $( uname -r ) git Issue the following commands one by one. Anything written after “#” is a comment and you don’t have to execute it. Cronograma de auditoria interna iso 9001. It’s just there to help you understand what’s going on # Modify the config files echo 'options ath10k_core skip_otp=y' sudo tee /etc/modprobe.d/ath10k_core.conf # Download the backport wget # Extract it tar zxvf backports-20151120.tar.gz # cd to the directory, compile and install it. The commands 'make' and 'make install' will take some time to finish cd backports-20151120 make defconfig-wifi make sudo make install # Download the firmware for the WiFi card git clone # Copy the firmware to appropriate locations. Murder 1 songs free download songs pk.

Sudo cp -r ath10k-firmware/QCA9377 /lib/firmware/ath10k/ sudo cp /lib/firmware/ath10k/QCA9377/hw1.0/firmware-5.bin_WLAN.TF.1.0-00267-1 /lib/firmware/ath10k/QCA9377/hw1.0/firmware-5.bin Reboot your machine. Your wifi should work now until you do a kernel update. What to do after a Kernel update If you update your kernel after the above patch, you will have to recompile and re-install it. Follow the below steps in case you update your kernel and WiFi stopped working cd backports-20151120 make clean make defconfig-wifi make sudo make install Alright. You’re all set.

I was able to make the WiFi work without having to sweat much.

– – – – – – – – – – – Model List Model version Arch Linux install CD version Hardware support Remarks Video Sound Ethernet Wireless Bluetooth Power management Modem Other Aspire 5100-3825 0.8 (Voodoo) ATI Radeon Xpress 1100 Intel Realtek Atheros n/a untested Hot keys: untested Aspire 1501LMi 0.9 (Don't Panic) ATI Radeon 9600: HW acceleration only with proprietary driver VIA: OK Broadcom: OK untested none Suspend to RAM:?? Disk: Yes Battery: Yes CPU frequency scaling: Yes untested Hot keys: untested Travelmate 6292 Core Dump, Overlord Intel x3100: HW acceleration with Intel's open-source driver, ~1100 FPS in the glxgears Intel HDA: OK (model=acer) Broadcom BCM5787M: OK Intel iwl4965: OK Broadcom: OK Suspend to RAM:??