Why cant I get a picture on my ASUS GT520 graphics card until the logon screen?

Right, I bought a new graphics card as my other one was over heating but i cant get a picture on it until the logon screen. But if i use one integrated graphics and one external i ony get a pic on my integrated but on the log on screen i get both. i'll post a vid below.

i can't post a vid but my graphics card is a asus gt520. brand new 3 hours ago and all drivers are installed

Normally when you install a separate video card, the integrated graphics card is automatically disabled. I have heard of a few exceptions where this wasn't the case but usually we hear about it when they "used to be able to do it" and now they can't.

If that's not what you are referring to, then often in a dual monitor setup only the primary monitor will display until the graphics driver loads.

BTW, to post a video, load it to Youtube and simply attach the link.

ok ill put the vid on utube and post the link in a bit.

ive fixed it ! but i had to restore the bios.