Please identify the make and model of both the monitor and projector. For that matter, which laptop display does your laptop have?
Please identify the type of connectivity for the monitor and projector (how are the monitor and projector connected to the laptop, USB, Thunderbolt, HDMI).
How does the laptop function without the monitor and/or the projector connected.
Did the laptop, monitor, and projector setup ever work properly?
Look within Settings, Bluetooth & Other Devices, are the monitor and projector listed as multimedia devices properly?
Look within Settings, System, Display, Advanced Display Settings. Scroll through all your different Display settings. How do they compare? Same/Different. Click on the Display Adapter Properties (at bottom of Advanced Display Setting page). Are all the refresh rates for the laptop, monitor, and projector the same/different?
In your Device Manager, are there any failure/information icons listed? Is the laptop monitor, monitor, and projector listed (under Device Manager, Monitor)?
G752VSK, G75VW-3D, G51J, G1S
Homebuilt Windows Server