[SOLVED] No Wi-FI Adaptor Found Ubuntu 18.04 19.04 19.10

Keywords: Realtek, RTL823, WiFI, Ubuntu 18.04, Ubuntu 19.04, Ubuntu 19.10, DKMS, HP, rtl8192ce, rtl8192cu, rtl8192se, rtl8192de, rtl8188ee, rtl8192ee, rtl8723ae, rtl8723be, rtl8821ae, rtl8822be, rtl8723de

If you are having a HP laptop and facing issue regarding WiFi adaptor not found, then it might be due to absence of Realtek WiFi driver.

If you have installed Realtek WiFi driver in past and it’s gone now after kernel update or upgrade, then you have to reinstall them using DKMS method. DKMS stands for Dynamic Kernel Module Support support. And it will work in each kernel on your system.

You need to manually download and install the driver. In order to download and install the driver you need to connect your laptop to internet using Ethernet cable.

In this post we will download newest Realtek WiFi driver source for – (rtl8192ce, rtl8192cu, rtl8192se, rtl8192de, rtl8188ee, rtl8192ee, rtl8723ae, rtl8723be, rtl8821ae, rtl8822be and rtl8723de). We will use ‘git’ and ‘DKMS’ tool for downloading and installation of the required drivers.

Please follow the steps mentioned below to download and install Realtek WiFi drivers in Ubuntu 18.04, Ubuntu 19.04 & Ubuntu 19.10.

Step 1. Install ‘git’, ‘DKMS’ and other required tools.

Execute the below command in the terminal.

Step 2. Download the Realtek Wifi Driver Source using ‘git’

Execute following command to download the source code.

Step 3. Link the driver source with ‘dkms’

Step 4. Install the driver

If no error occurs, you will see the out-put something like below screenshot.

Step 5. Reboot the system.

If you still do not see wifi driver first reboot the system before going to Step 6.

Step 6. Load the driver manually

Execute following command

Step 6. Update the configuration file if module does not load automatically after restart

Execute following command

Note: I have used ant-sel=3, You can try by changing this between 1-4. It’s related to signal strength.

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Note: The featured image of this post is a screen-shot captured in Ubuntu 19.04 and is property of Ubuntu.


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