GNU/Linux Mint Realtek RTL8821cu Driver Setup – Step-by-step Guide
Hi! The Tutorial shows you Step-by-Step How to Install Realtek RTL8821cu Wireless Driver in Mint GNU/Linux Desktops.
Especially relevant: this Realtek RTL8821cu Driver GNU/Linux Setup should be working also after a Kernel Upgrade with the Dkms integration.
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.
So as a possible Solution, then you may also see: How to Install New Kernel Guide.
Again, in case of Issue for preventing any possible Driver loading Interference you should also take into account: How to Blacklist Kernel Modules.