Monitor will display only bios but not windows 10.

[T3King]

So  I restored windows 10 my monitor will only bring the bios and display it but not the setup part for windows 10 it wont display. It gets no signal it says what could be going on I hear Cortana talking in my headphone to set things up but there is no display only display I get is when starting ththe computer as soon as it goes into start up fofor windows no signal. Also display everthing when I'm in bios no matter how long I'm in there. Any tipa or help guys.im using a display port. Gpu 1080ti that's where I'm connected. Cpu i78700k MB asus z370f. Monitor benq xl2540.