Imac G5 (third generation) will not continue start up

Hi all,
Hope someone out there can help me out with my imac.
I've got an imac G5 (third generation), the model just before the intel based imac came out.
I had just done a mac os X software update (the most recent), then my computer re-started (without warning). This re-starting got to be a loop. imac kept re-starting out of itself. When I tried shut down, the imac would shut down and start again and again. So, I finally used the power button in the back to shut my computer.
Now, my computer starts up untill the Mac os x window comes up, but it will go no futher. As if it refuses to update or something. The blue line that you normally see when this window pops up will not start up.
I've tried unplugging the power cord and then holding the power button while plugging it back in. Then pressing the power button again. Still the same thing happens.
What else can I try?

You certainly can delete the files, but look in them to make sure there's nothing that didn't get carried over that you might need.
I would recommend you try using the 10.4.10 combo updater, which will remove corrupted prefs from previous downloads. Give it a try and please post back.

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My home imac has crashed and will not boot up and I'm not sure where to start.
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Imac G5 (third generation) will not continue start up

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