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Apple Hardware Test (AHT) invoked at startup with 'ALT-D' not 'D'

7307 Views 9 Replies Latest reply: May 3, 2013 6:55 AM by RobinP21601 RSS
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Sep 3, 2012 5:49 PM

Although several reasonnaably reliable sources (including such page as http://support.apple.com/kb/HT1533 ) mention that pressing 'D' at startup will invoke the Apple Hardware Test startup option, at leats on my Macbook Pro 2011 with OSX Lion, EFI 2.8 it is really 'ALT-D' that invokes AHT not 'D'. Pressing the 'D' at startup simply seems to hangs bootup until I release the key.

MacBook Pro (15-inch Early 2011), Mac OS X (10.7.3)

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