which type of Firmware Restoration cd for iMac Mid 2010?

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which type of Firmware Restoration cd for iMac Mid 2010?

I got SOS tones(3 long tones, 3 short tones, 3 long tones) on startup one day when my iMac crashed for no reason. I read tones of websites saying that mightbe a failure firmware update after checking memories are all good. The suggestion is using a Firmware Restoration cd to get my iMac back to life. But where is the correct type of Firmware Restoration cd for iMac Mid 2010?

I only found Firmware Restoration cd 1.9 for Mac Pro (Mid 2010). That mighbe the closest version but still doesn't match mine.

Can anyone please have any idea which type is for iMac Mid 2010?

Many thanks.

ErrGo

iMac

Posted on Jan 11, 2012 4:08 PM

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Answer 1

Dave B.

Level 4

2,080 points

Jan 11, 2012 5:22 PM in response to ErrGo

Does this help? http://support.apple.com/kb/HT2213 And are you sure you need to do this? The article says it's only for when a software update is interrupted or incomplete. I have no experience with this procedure.

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Answer 2

ErrGo Author

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Jan 11, 2012 5:58 PM in response to Dave B.

hi there, ty but iMac Mid 2010 wasnt on the list of any Firmware Restoration cd.

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Answer 3

Dave B.

Level 4

2,080 points

Jan 11, 2012 6:12 PM in response to ErrGo

What system version do you have? Can you boot from your gray system dvd and run the AHT (Apple Hardware Test)? This is if you have Snow Leopard or earlier. If Lion you hold down D key during startup and run Recovery.

I know you hope it can be easily fixed but my suspicion with the beeps is a hardware failure that can only be diagnosed by taking it in for service.

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Answer 4

Dec 2, 2012 11:12 PM in response to ErrGo

I'm having this problem too, in being unable to find the Mid 2010 Mac mini Firmware Restoration Disk. I'm trying to update the firmware via the 1.5 Update, but it's not helping to restore it.

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