ARandR Screen Layout Editor

ARandR is the shortcut for Another XRandR GUI and is the favorite Screen Layout Editor.

Install with following command:

sudo apt-get install arandr

autostart configuration

When you have saved your configuration file and it does not autostart you have to create or alter the desktop file with the name lxrandr-autostart.desktop in the path ~/.config/autostart with the following content:

[Desktop Entry]
Type=Application
Name=LXRandR auto start
Comment=Start xrandr with settings done in LXRandR
Exec=sh -c 'xrandr --output DVI-D-0 --mode 1920x1080 --pos 0x0 --rotate normal --output HDMI-0 --mode 1920x1080 --pos 1920x0 --rotate normal --output DVI-I-1 --off --output DVI-I-0 --off --output DP-1 --off --output DP-0 --off'
OnlyShowIn=LXDE

You have to set of course your configuration file in the Exec attribute

reference links

askubuntu.com