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iMac not booting

my 1y-old iMac do not start anymore after installing server app: 'mountain lion server'; is there any shortcut as "F2"-button for PCs to achieve booting?

iMac, safari, os-update, ... doesn't work

Posted on Sep 26, 2012 11:40 AM

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6 replies

Sep 26, 2012 2:47 PM in response to md.german

I had hoped the Apple Support Doc behind the link was self-explanatory, containing start-up options for resetting certain sections and being able to boot, then going into analytics and fixing - each relevant, more complex procedure explained by another link leading further...


If nothing works, boot the Mac from a bootable DVD or external drive. If nothing else, re-install Mountain Lion, first without the server extension.

iMac not booting

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