http://www.crunchgear.com/2008/12/03/quick-tip-hold-down-f2-on-macbook-air-new-macbook-pro-at-start-up-to-enter-hardware-test-mode/ Gadgets, gear and computer hardware. Tue, 10 Nov 2009 03:42:13 -0500 hourly 1 http://www.crunchgear.com/2008/12/03/quick-tip-hold-down-f2-on-macbook-air-new-macbook-pro-at-start-up-to-enter-hardware-test-mode/comment-page-1/#comment-1050159 Christopher Price Mon, 06 Jul 2009 11:40:34 +0000 http://www.crunchgear.com/?p=56703#comment-1050159 If the F2 key does not work for you, hold down the D key. Apple appears to have switched to using the D key for both Install Disc HTM and On-drive HTM. If the F2 key does not work for you, hold down the D key. Apple appears to have switched to using the D key for both Install Disc HTM and On-drive HTM.

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