Step-by-step – Linux Mint 19 Realtek RTL8821ce Driver Installation

Installing

4. 4. Removing Apt Driver

   First, to Remove rtl8821CE DKMS Apt Driver
   This only if it was installed, in any case try:

   sudo apt remove --purge rtl8821ce-dkms

   And if yes then reboot with:

   sudo reboot

5. 5. Installing Dependencies

   Then to Install Required Stuff
   First, play:

   sudo apt install bc git module-assistant dkms

   Authenticate with the User Admin Pass.
   If Got “User is Not in Sudoers file” then see: How to Enable sudo.
   Now better to Upgrade the System with:

   sudo apt upgrade

   And in this case after Restart your System running:

   sudo reboot

   Last, to Setup the Kernel Headers and other eventual Requirements run:

   sudo m-a prepare

6. 6. Installing Realtek rtl8821CE Driver

   Then to Install Wi-fi Driver for Mint
   Access the Target folder, in case of a Git Checkout modifies the Path accordingly:

   cd /tmp/*master

   Or whatever else the Git Archive location.
   And then to Setup it play:

   sudo ./dkms-install.sh

   Last, in case of Troubles with Dkms you may Try with an Ordinary “make” “sudo make install” Setup.

7. 7. Loading Realtek rtl8821CE Driver

   Now to Load Realtek Driver into Mint’s Kernel
   Try to Load it with the following Command:

   sudo modprobe 8821ce

   Possibly try to Reboot to Activate your Device:

   sudo reboot