I guess you have fusion-icon installed. So, remove fusion-icon and nvidia-settings from the Session. Then create a script with the following commands:
Originally Posted by Sirron
Save it and add it to the Sessions. When you reboot, this script will be launched and the commands will be run from it, not from the sessions. Since nvidia-settings is first in the command list it will load first. I have included a "sleep" command in front of fusion-icon just in case.
nvidia-settings -l &
sleep 5 && fusion-icon