Anonymous8 years ago000I have installed the graphics card, but the screen is black with a small white line at the top left. What should I do now?Show in original language (German)p3t3rli8 years ago000You will also probably need to install windows or whatever. You need to get either a CD or a USB stick from somewhere and download it from the BIOS of the motherboard.Show in original language (German)CommentPYA|PaNiCc8 years ago000Did you only install the graphics card or other new components?Show in original language (German)Comment