Install linux-signed-image-lowlatency-hwe-16.04 by entering the following commands in the terminal:
sudo apt update sudo apt install linux-signed-image-lowlatency-hwe-16.04
Description:
Signed Lowlatency Linux kernel image (dummy transitional package)
Transitional package for upgrades from 16.04 to 18.04 (Xenial to Bionic)
Version: 4.15.0.20.23
Section: oldlibs