What do you mean by toggle laptop? Turning it on and off? Are you holding Fn key while using CRT/LCD key to cycle between LCD only, CRT only, and both CRT/LCD.
Is laptop resolution set to same resolution as the projector?
I am having an issue with my Dell Smart Step 200N laptop connecting to any projector (we have 2). I connect the laptop to the projector, turn on the projector first then the laptop. The laptop comes on and the projector is on but the projector displays "NO SYNCH". All of my settings are correct and I have toggled on the laptop several times. I have gone through this process several times with no avail. I just know there is a setting somewhere that I am missing and if someone could point me in the right direction I would be eternally grateful!