GNU/Linux Fedora 40 Realtek RTL8821cu Driver Setup – Step-by-step Guide
Hi! The Tutorial shows you Step-by-Step How to Install Realtek RTL8821cu Wireless Driver in Fedora 40 GNU/Linux.
Especially relevant: this Realtek RTL8821cu Driver Fedora 40 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.
1. Launching Terminal
Open a Terminal Shell Emulator Window:
(Press “Enter” to Execute Commands).In case first see: Terminal QuickStart Guide.
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2. Installing Dependencies
Then to Install Required Stuff First, run:
sudo dnf groupinstall "Development Tools"
Further you may need also the C Libraries:sudo dnf groupinstall "C Development Tools and Libraries"
And again:sudo dnf install dkms elfutils-libelf-devel unzip
Authenticate with the User Admin Pass.
If Got “User is Not in Sudoers file” then see: How to Enable sudo. -
3. Downloading Realtek RTL8821cu Driver
Download Realtek Driver in Fedora GNU/Linux
If you are using Firefox then on Prompt Choose “Open with Archive Manager”:Or After try to Select the Package by the Downloads Button on Top Panel:
Instead, on Google-Chrome simply try to Choose the Package on the Bottom Panel:How to Install Chrome Browser on Fedora -
4. Extracting Realtek RTL8821cu Driver
Skip in case of Git Checkout.
And then Extract Driver Archive into /tmp
Possibly Double-Click/Right-Click on Package and Open with Archive Manager: Or from Command Line: unzip -d /tmp/ ~/Downloads/*master.zip
(But if you are in Trouble to Find the Location on Terminal then See: How to Access Downloads Folder from Browser.)
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