Today I installed Ubuntu 14.04 on my computer. I have dual monitor setup, and they work perfectly when I'm logged into the operating system. But every time I have to login in the login screen, the screens get reversed. And what I mean is that instead of moving the cursor on the main screen to the left to move on the secondary screen, I have to move it to the left side. After login it changes to normal.
Any suggestion would be helpful.
Graphics: NVidia GTX275. Latest drivers installed.
The issue arises because the login screen configuration file is located elsewhere, and your home folder holds your personalised configuration for use after login.
I had the same gripe with Zorin.
All you need to do is either copy or symlink from your personal config file to the default lightdm config file...
To copy... (ie make an orphan copy of your config)
sudo cp ~/.config/monitors.xml /var/lib/lightdm/.config/
To symlink... (ie a LIVE link to your config, which is then used every time!)
sudo ln ~/.config/monitors.xml /var/lib/lightdm/.config/
Both solutions are referenced in THIS POST
HTH :D
Edit: I am now using Mint 19. The monitors.xml file now appears to be in ~/.config/xfce4/xfconf/xfce-perchannel-xml/displays.xml
