The mac folder question mark is your machine disclosing to you it can not locate the hard drive or working framework. This is exceptionally normal on the MacBook Pro mid 2012 on the grounds that the link that interfaces the hard drive to the rationale board will in general flop following a couple of years. The mac flashing question mark folder can likewise imply that your hard drive has fizzled. It can likewise mean the working framework is so severely adulterated you can not boot from it.

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