signal cable not connected

I'm getting no monitor signal from my newly built pc. I have a Asus rog strix b550 motherboard and the vga light is a constant white. I've re seated the ram and tried all the DP and HDMI ports. I have a amd ryzen 7 3700x and a red devil 5700xt. I've also tried re seating the gpu to no avail. I'm...

For the past few months, sometimes this happens to me and i never know how, but somehow i fix it. There definitely isn't any issue with my monitor or cable because i've tried using them to display a laptop screen and it worked with no issue. Usually reseating the graphics card seemed to be the...