I recently brought a new Evga GTX 670 graphic card and attached it in my PC myself. After installing this graphic card, I started my PC which has Windows 7 as its operating system. After starting, the computer went on the BIOS screens and then on the Windows 7 startup screen with the animated logo. After this, the screen went black and I was able to hear the startup jingle. This means that Windows 7 is loading properly but it is not being displayed on screen. The LED on monitor went orange. Can someone tell me what this problem is?
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