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Thank you MaHa! That did the trick. I messed with the lightdm.conf last night but I didn't know what i was doing, got scared, and changed it back to how it was.

RotorySMP, im gonna try the auto-launch next.

Thanks. but, I am unsure how and or what I would target for the permission? would you have an example?

Have a look at how Qtplasmac does it. Normally, you would home the machine, turn the laser on and jog the machine. When the laser is in position, press a GUI button  that sets the G54 offsets based on the XY difference between the tool and the laser. Then optionally, goto 0,0 to centre the tool over the laser position. You need to save those offsets somewhere, but best to do in the ini file.
eg:
[LASER]
laser-x 20
laser-y 30

This is using the 7i76e but more or less the same

probably need to give permissions to the user for the par port