What are you doing with three stolen machines? Hard drives don't matter on these, sounds like your EFI firmware is locked. The RAM trick worked with machines prior to about 2009, it no longer does.
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What are you doing with three stolen machines? These are iCloud locked. Hard drives don't matter on these, sounds like your EFI firmware is locked. The RAM trick worked with machines prior to about 2009, it no longer does.
What are you doing with three stolen machines? Hard drives don't matter on these, sounds like your EFI firmware is locked. The RAM trick worked with machines prior to about 2009, it no longer does.