HT201257: Using Apple Hardware Test

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3DinteractiveICT

Q: Using Apple Hardware Test

I cannot get access to the to run a Diagnostic test on my iMac late 2009 but holding down the D key does not work.. I have Mavericks OSX. Why does it not work.. My iMac will just boot up as normal ignoring the Diagnostic key...

iMac, OS X Mavericks (10.9.5)

Posted on Jun 4, 2015 5:57 PM

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