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Old Feb 23, 2009, 04:45 PM   #1
fredsarran
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How to boot up Apple Service Diagnostic OS 3S123 ?

Hello everybody,

I have a Apple Wireless keyboard that does not allow me to use it at the start up of my iMac in order to choose between Mac, Windows, and any other USB and Firewire external HD.

Meaning that "option", "D", etc... keys are not working. Weird when all peripherals are updated and the system to 10.5.6 .

I know that I can boot my Windows partition by going into the "Preferences" panel, and the same under Windows.

But can I do the same with Apple Service Diagnostic OS 3S123 ? It seems that I can under my current OS X but I am wondering if I can revert in the Apple Service Diagnostic OS 3S123, and if I can't, that means that my iMac restarts automatically in Apple Service Diagnostic OS 3S123.

Thanks for your help
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Old Feb 23, 2009, 05:44 PM   #2
BlueRevolution
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I don't know how the Bluetooth keyboard works there, but you can select a startup disk with your Apple Remote by holding the menu button on boot.
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Old Feb 23, 2009, 06:12 PM   #3
fredsarran
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Quote:
Originally Posted by BlueRevolution View Post
I don't know how the Bluetooth keyboard works there, but you can select a startup disk with your Apple Remote by holding the menu button on boot.

Thanks mate, works great !
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Old Feb 23, 2009, 07:39 PM   #4
JustGretchen
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VERY nice tip. I never knew that.

Cheers.
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