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On It, Get To A Gray Screen That Wants The Password MacBook Pro, Mac OS X (10.7.3) View 6 Replies I can boot to DVD by choosing the DVD in the Start Up disk option, but it's useless, since I need the old password to turn off or change the firmware password. It will go to a grey screen with the lock if Option key is pressed during boot, so, that's useless too.no need to say cmd-opt-o-f is useless. Is there any other way? Tried everything to boot to a different state but it would rather boot normally to OS X or I would get that grey lock.

I have never set a firmware password, I would remember that, maybe it's a new malware?

I got a mid-2011 Macbook Pro (OS X 10.7.3) and I have never set a firmware password for it, and now, out of the blue, when I boot using option I get a grey screen with a lockpad and a password field, I typed every password I can think of and none of the are correct. MacBook Pro :: Never Set Firmware Password - Gray Lock Screen May 4, 2012

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