Install syslinux-themes-ubuntu-xenial by entering the following commands in the terminal:
sudo apt update sudo apt install syslinux-themes-ubuntu-xenial
Description:
collection of boot loaders (ubuntu-xenial theme)
SYSLINUX is a collection of boot loaders which operates off Linux ext2/3/4 or btrfs filesystems, MS-DOS FAT filesystems, network servers using PXE firmware, or from CD-ROMs. . This package contains the graphical bootloader theme for Ubuntu 16.04.
Version: 12
Section: universe/misc