When it opens, navigate to “ Devices -> PCI Devices“.

Install ' hardinfo' via Ubuntu Software or Synaptic Package Manager if you don't have it. In Ubuntu or Linux Mint, you may just search for and open “ hardinfo” (aka, System Profiler and Benchmark) either from start menu or ‘Activities’ overview. How to Tell Which Wi-Fi Chipset you have?įirstly, you may want to find out the device name of your wireless network card. Thanks to the open-source community, there are always a group of people maintaining missing drivers. But, there are still some devices lack out-of-box support. Linux Kernel keeps updating with new device drivers. Google for more info.Missing Wi-Fi drivers for your Ubuntu or Linux Mint PC? If you happen to have Realtek Wi-Fi adapter, this tutorial may help to install the driver. This b728 can be something else, and this will determine driver required. To check which driver you need, give command lsusb and search the output list for something like 0bda:b728 Realtek Semiconductor Corp. For me, rtl8723be was required, you may require some other driver. There are many other drivers of realtek in rtlwifi_new. This rtl8723be in last command was the driver I required. sudo apt-get install linux-headers-generic build-essential git.Now we have to install realtek driver.

Give command sudo apt-get purge linux-image-3.14.

It gives a list of kernels, identify the older version, for example linux-image-3.11.

Now we have to remove old kernel, for that, first list the kernels currently present by command sudo dpkg -list | grep linux-image.

After rebooting, run sudo apt-get -f autoremove.

reboot into the new 3.16.x by command sudo reboot.

First upgrade the kernel to 3.16 as shown in accepted answer at this link.

Installing Realtek wifi driver in ubuntu (any version)

Realtek wifi drivers