Install kernel mainline

 

• In Terminal, enter uname -mrs to determine the current kernel version.
• Check and get any needed updates by entering sudo apt update && sudo apt upgrade.
• Add the ppa for the kernels: sudo add-apt-repository ppa:cappelikan/ppa -y
• Again, get the update list, now that the new repository has been added: sudo apt update
• Install the latest mainline kernel: sudo apt install mainline -y
• Reboot.