On 12/27/2009 8:47 PM, Hal wrote: > Thanks for the quick response. > I tried replacing the battery, and that seems to have cleared up some other > issues I was having (prolonged blue screen on boot up), but it didn't solve > the no video on reboot problem. > > When I log in and share the screen, instead of the video card being properly > identified in system profiler, it just lists it as a "VGA Compatible > controller", but it lists the manufacturer correctly as ATI. > > When I cold boot it sees it as a ATI Radeon X1900. > I had the same result with the original Nvidia card. > > It only list 3 resolutions on the displays pref pane: 1024x768, 1280x1024 and > 1680x1050. I'm using an Apple 23" aluminum HD display, and none of those > shows up on the display when I try selecting it. > > > Maybe the slot has gone bad? Is that possible? I pressed the reset button on > the logic board when I put the new battery in. > > Any help is appreciated. > > -Hal > > I had that issue on a Powermac G5 where I work. No matter what card I put in it, it would act funky. Reset button on board didnt do anything. Try this and lemme know if it works. Shut computer down and while holding down Command-Alt-O-F to go into Open Firmware (I know, you gotta be a contortionist for that). When in OF, type in reset-nvram and hit enter. Then type in set-defaults and hit enter. Then type in reset-all and hit enter. Computer will reboot and may come up fine after that. If that doesnt work, I recommend downloading Snow Leopard Cache Cleaner or Onyx and cleaning all your system and kernel caches. Hope this helps. =)
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