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You are here: MacNN Forums > Enthusiast Zone > Classic Macs and Mac OS > Major Mac OS 9.1 problem ???(Maybe)???

Major Mac OS 9.1 problem ???(Maybe)???
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Join Date: Dec 2000
Location: "Joisey" Home of the "Guido" and chicks with "Big Hair"
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Jan 12, 2001, 09:58 AM
I work nights and my Mac G3/266 Beige Desktop has run very reliably for over 2 yrs now. I generally go onto the internet after work.

I installed the OS 9.1 upgrade the day after it's release, and everything seemed fine. But lastnight I came home started up my computer and it froze upon loading extensions.

So I restarted, and got no display at all. Obviously there was power going to the CPU, the restart chime "chimed".

After several restarts, trying to zap PRAM, trying to rebuild desktop, I was still getting nothing. I attempted to start-up off my System CD and couldn't

By now I'm panicking, and getting a grim realization that there's a serious hardware issue. So I disconnected all my external devices, except monitor/keyboard/mouse and tried to start again, still no luck

Now I'm really panicking. So I openned up my computer and removed my Added RAM, and retail ATI Rage Orion Card. Tried to start off CD, still nothing at all. So I switched the location of my Hard Drive, and also hit the hardware reset button on the Logic Board.

After doing this I was capable of starting off the system CD but It was showing no Hard Drive installed So I switched the Hard Drive back to Bay 1 and restarted and my Mac was alive again bootable off the Hard Drive

I was then able to return all my added hardware to where it was before with no start-up problems. My guess is the hardware reset button fixxed the issue here, but I'm still totally confused why this happenned. Up to OS 9.1 I've never ever had this problem


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Join Date: Jan 2001
Location: Pandemonium
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Jan 12, 2001, 11:59 AM
Whenever I make changes to a Mac, especially major changes, I expect there to be problems. If your logic board needed to be reset once - and only once - don't worry. If it happens again, worry. I would start with extensions - find all non-Apple and update as necessary. You mentioned a video card, try starting there. Extensions that directly drive hardware are most likely to need updating.

Again, only worry if it happens again.
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