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Mensagem original de: Bob ,

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I have sort of the same problem.

It started when the Imac went to sleep (with "put hard disk to sleep when possible" checked as a   "energy saver" preference option") and I tried to wake it up... I would get the beach ball, and had to shut down using the power button.

For a while it would start right up again.

Now I get the flashing question mark when I try to start up.

So I was pulling the power plug, and waiting over 15 minutes before starting up with a pram zap, and then it would start.

But that also stopped working yesterday.

Now if I pull the plug and wait a few hours (sometimes overnight) and start up with a pram zap, it will usually start up.

I have turned off the "put hard drive to sleep when possible" option in Energy Saver preferences and it has been running for a few hours now.

I haven't shut down yet to see if it will restart, because I don't want to be without my computer till the new one gets here, and then I will decide if I should spend the money on a hard drive to see if that gets this IMac going - still a good machine, but now worth hundreds in repairs.

I had also reinitialized the drive and reinstalled the system software. That made no difference. Wiped it with the 7 times erase option - took 11 hours.

So, I am thinking it's a drive, but will probably try the memory trick also.

Glad to share

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