GNU/Linux Ubuntu 21.10 Installing Realtek rtl8821CU Driver Guide
Hi! The Tutorial shows you Step-by-Step How to Install Realtek rtl8821CU Driver in Ubuntu 21.10 Impish GNU/Linux.
And this Realtek rtl8821CU Driver for Ubuntu Impish PPA is developed thanks to the beneficent Work of Kelebek333.
Especially relevant, if you are Unsure about your Wi-fi Card ID then see: How to Get Wireless Adapter Info on GNU/Linux.
And if you installed your BIOS PC OS in UEFI Mode, you may need to Disable Secureboot for Modules managed by Dkms.
Please be aware of how this Driver is Not supporting all the Linux Kernels range, so in case of issue consult the available Online Documentation And in case then see the How to Switch Kernel Guide.
Finally, in case of Issue, as an Alternative you should see the Generic rtl8821CU Linux Driver Setup.
1. Terminal Getting-Started
How to QuickStart with Command Line on Ubuntu GNU/Linux:
Contents