Wifi not working in kali linux 2020.4? Kali Linux 2020.4 comes with more powerful tools. Usually when we install a Linux Distro on a laptop, some of them get all of the driver installed totally, some is partially, or maybe not at all. It could be a disaster especially if the network driver isn’t installed in this internet era. I have also face the problem when i was install Kali Linux 2020.4. Kali Linux 2020.3 is a latest version of Kali Linux. In the case wifi not working in kali linux for me.

This is just happened when I installed Kali Linux 2020.4 on my HP Notebook 15-da1022tx. It is not the first time actually, back then I’ve faced this wifi not working problem when I was installed Parrot OS on my old laptop. But those time that was very easy that to install wifi. Well, I start to think this problem is not rare, it’s Open-Source after all.

Intent

This repository hosts the code for the Arch Linux AUR Package. It’s targeting Linux > 4.14 and is being developed for Arch Linux and Ubuntu 18.10. No support will be provided for other Linux distributions or Linux Kernel versions outside of that range.

So, what have you done?

First, I downloaded the image from the official website. After that, I ran Rufus to create a bootable with default setting. I configured the image source and then clicked start. Done, no error.

Next I booted my laptop from USB and followed the installation instruction. I also checked install third-party software for graphics and Wi-Fi hardware. After a few steps, Kali Linux did the installation for me.

That’s all I did, then I clicked on network icon and found out only Ethernet network that exist there. No wifi network available. What the hell….

How do you fix it?

Disclaimer

The maintainers of this repository are not Realtek employees and are maintaining this repository for their own usage. Further feature development (such as proper power saving, etc.) will not be pursued here, but will be gladly integrated if newer driver sources are provided by Realtek. Use at your own risk.

DKMS

This driver can be installed using DKMS. This is a system which will automatically recompile and install a kernel module when a new kernel gets installed or updated. To make use of DKMS, install the dkms package.

So first I need to know what driver my laptop use by running this command

[email protected]:~# lspci | grep Network

Result:

03:00.0 Network controller: Realtek Semiconductor Co., Ltd. RTL8821CE 802.11ac  PCIe Wireless Network Adapter
how to fix wifi problem on kali linux 2020.1
how to fix wifi problem in kali linux 2020.4

Now how to fix the wifi not working problem?

1. Connect internet using ethernet cable or share with smartphone usb ethernet then Open up Terminal and type command and press enter.

[email protected]:~#sudo su
[email protected]:~#sudo apt-get update && apt-get update && apt-get dist-upgrade && reboot

2. It will take some time and gone reboot. After reboot kali linux then open Terminal again and type command and press enter.

[email protected]:~#sudo su
[email protected]:~#git clone https://github.com/tomaspinho/rtl8821ce.git
[email protected]:~#cd rtl8821ce
[email protected]:~#sudo apt install bc module-assistant build-essential dkms
[email protected]:~#sudo m-a prepare
[email protected]:~#sudo ./dkms-install.sh

3. Wait until it’s done and then reboot your PC.

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If not work then you have to disable Secure Boot option from Bios Menu do this again.

Now try click the network icon and check if there is a Wi-Fi Networks there

how to fix wifi problem on kali linux 2020.1
how to fix wifi problem in kali linux 2020.4

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Its will fix your wifi not working problem in kali linux. if it not working then check your wifi adapter. Is it Realtek Semiconductor Co., Ltd. RTL8821CE or not. If not it will not working for you. You can comment here i will try to help you. if yes, your wifi adapter is RTL8821EC then remove the driver and install again.

Installation of Driver

Make sure you have a proper build environment and dkms installed.

Ubuntu & Debian

The following steps are required prior to building the driver on Ubuntu/Debian:

sudo apt install bc module-assistant build-essential dkms
sudo m-a prepare

Ubuntu users may also install the prebuilt rtl8821ce-dkms package, an older version of the driver maintained by the Ubuntu MOTU Developers group for bionic, eoan and focal. It has been known to work in cases where the newer driver available here does not. Bugs and issues with that package should be reported at Launchpad rather than here.

Arch Linux

Make sure you have the base-devel package group installed before you proceed for the necessary compilation tools.

Installing from AUR

Install rtl8821ce-dkms-git from the AUR.

Dependencies for manual installation on Arch Linux

sudo pacman -Syu linux-headers dkms bc

If you are running a non-vanilla kernel then install the headers to match the kernel package. Proceed to the section below.

Gentoo Linux

An unofficial Gentoo package is available, using this repository as upstream. It is available from the trolltoo overlay. Gentoo does not use or require dkms for packaged drivers.

# layman -a trolltoo
# emerge --ask net-wireless/rtl8821ce-driver

Manual installation of driver

In order to install the driver open a terminal in the directory with the source code and execute the following command:

sudo ./dkms-install.sh

Removal of Driver

Open a terminal window and git clone the repository to your local disk

git clone https://github.com/tomaspinho/rtl8821ce.git
cd rtl8821ce

Then run the installation script:

sudo ./dkms-remove.sh

Upgrading driver

Remove the driver:

sudo ./dkms-remove.sh

Make sure you have your local copy of this repository fully updated:

git pull

Clean any stale binaries:

make clean

Install again:

sudo ./dkms-install.sh

If it’s still doesn’t work, there might be a different approach because those steps are work on my HP Notebook 15 Da-1022tx but I have to disable the secure boot so the driver could be installed on my Laptop. I hope this blog could help you. If you have any question feel free to comment bellow.

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