After installing Ubuntu Desktop, open Terminal:
Copy your Gnome display settings to the login screen:
sudo cp ~/.config/monitors.xml ~gdm/.config/# Don't travel time when you switch operating systems
sudo timedatectl set-local-rtc 1Enter sudo nano /etc/default/grub, replace GRUB_DEFAULT=0 with this, and write out (^G = Ctrl-G):
# Set default OS to last chosen
GRUB_DEFAULT=saved
GRUB_SAVEDEFAULT=true
Then enter sudo update-grub.