/etc/xdg/autostart/nvidia-settings-autostart.desktop is in nvidia-settings 390.42-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 | [Desktop Entry]
Type=Application
Encoding=UTF-8
Name=NVIDIA X Server Settings
Comment=Configure NVIDIA X Server Settings
Exec=sh -c '/usr/bin/nvidia-settings --load-config-only'
Terminal=false
Icon=nvidia-settings
Categories=System;Settings;
|