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serial no: serial no C1MH25D5DV13 Located in this image is a cord inside the bottom panel of the mac i own when i was repairing the Screen i had to remove this cord and i accidentally snapped the connector it was attached to. how hard is this to fix? and what all would i need ?

You would need a new one of these: MacBook Pro Unibody (Early 2011-Mid 2012) AirPort/Bluetooth Board And the repair shouldn’t be hard since you already have the device apart to that point in the guide. MacBook Pro 13" Unibody Early 2011 AirPort/Bluetooth Board Replacement Happy repairs!