Yesterday I replaced the PRAM battery in my Power Macintosh G3, which I thought would be a quick procedure, but it's turned into a whole new issue. The machine chimes and I can hear the hard drive churning as it loads OS 9. After the hard drive stops, I can press the power button, at which point I can hear OS 9 beep with the shut down prompt, and then if I press Return, it shuts down. So the computer is otherwise operating fine.

The problem is after the PRAM battery replacement, my ATI Rage card no longer outputs video to the monitor.

The onboard video works fine. I've reset the PRAM, and I found an article on Apple's website about resetting the PMU. Neither solution worked. I've also tried reseating the ATI card, and moving it to other slots. Nothing.

I tried searching the forum already, and found nothing. Either this problem hasn't been discussed before or my search skills are terrible, haha.

Anyway, thanks in advance for any help! I'm at a bit of a loss here.