[Ham-Mac] problem here

[Rick Prather]

Since it runs fine off the external I would tend to believe it is a  
HD problem not a PS problem.

What sort of disk utilities do you have?  Disk Warrior, TechToolPro?

At the least I would boot from the external and run Disk Utility to  
verify and, if necessary, repair the onboard HD.  If it passes, and  
since you have a clone (up to date, I hope) the next step could be to  
erase w/0's the onboard drive and then "unclone" it again and see if  
it boots correctly.

Rick
K6LE


On Jun 29, 2006, at 3:55 PM, harris_ruben wrote:

> This just started on my G5 iMac and I'm just not sure what it is.
>
> In a nutshell, when I put this iMac to sleep, the pulsating light  
> does not function at all, nor will the machine wake up. The fan  
> will boot and run at a god-awful speed. I then have to shut down by  
> the button on the back and reboot.
>
> IF I boot up from my backup LaCie firewire drive, the machine  
> operates normally, sleeping and awaking on demand.
>
> I use SuperDuper, and completely replaced the HD data with the  
> backup HD, so I think I can safely eliminate software from the  
> equation. I've zapped the PRAM and reset the open firmware, too.
>
> I've done some research on the web, and some folks experiencing the  
> same issue claim the power supply is the problem. I tend to agree,  
> because the LaCie runs off its own PS. OR, maybe it's the HD itself.
>
> I would appreciate any thoughts out there, from people I trust.
>
> thanks in advance.
>
> N2ERN
>
>
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