Hello, I was given an AGP graphics card and installed it into an older Pentium 3; it was going great until I forgot to remove installation CD on reboot. It now will not go past loud alarm saying a cable needs to be connected to proceed. I removed the card reinstalled old graphics card uninstalled all ATI drivers and folders. But when ATI card reinstalled the same thing happened. Is there something in the bios that was changed and/or a way to reset the card. Any help would be appreciated.
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Have you disabled the onboard video in BIOS?
That card need 4pin power connector from PSU, did you plug it properly?