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Even within the same model of computer, Apple may use different optical drives with the same specs. It's my understanding that nearly all optical drives made these days have the riplock "feature." Fortunately, you can update the firmware for most drives to disable riplock.
 
Even within the same model of computer, Apple may use different optical drives with the same specs. It's my understanding that nearly all optical drives made these days have the riplock "feature." Fortunately, you can update the firmware for most drives to disable riplock.

thanks for the reply. where is this update downloaded from? how do i look for the one for my imac?
 
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