Why won't my display work when I plug in the graphics card?

[Microsoft Windows]

I just built a computer and installed windows on it without the graphics card hooked up, but then whenever I plug in the card, the display doesn't work with the card or the integrated graphics. I tried to turn on the pc, then plug in the graphics card to install the drivers, but windows won't recognize the card until you restart the pc, but it's turning on the computer with the card plugged in that makes the display not work.

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