Dual screen issue help again

[Zarakoff]

So I’ve got the duplicate on my laptop via a splitter going to my tv and projector all works good whatever the laptop shows appears on the projector screen and tv just like you see on every sim room .
proplem is once I switch the skytrak on and it connects to the laptop via Bluetooth the tv screen goes off .
any ideas what I’m doing wrong ?
all working great otherwise