Asus VG248QE cant get any signal

[jockstaa]

its only on PC that the monitor cant detect a signal, i have a ps4 as well that uses HDMI and will work however if i switch it over no signal is detected, and the same goes for my display port cable i cant seem to get a signal from computer at all, but my second monitor can. any help?

 

[jockstaa]

and the weird thing is it was working just the day before, the display is only a day old and i tried unplugging the power cable but it didnt work