Introduction
Use this guide to replace the hard drive in your hard-drive-only or Fusion Drive Mac mini Late 2014.
This guide was made with a Fusion Drive Mac mini. If your Mac mini only has a hard drive, skip the steps about the PCIe SSD and its connector.
What you need
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The bottom cover is clipped onto three screw posts.
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Pry near, but not right on the screw posts.
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Remove the following TR6 screws from the antenna plate:
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Three 4.1 mm screws
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Three 1.9 mm screws
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With the I/O ports facing you, flip the antenna plate to the right to allow access to the antenna cable connector.
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Use the point of a spudger to lift the antenna connector straight up off its socket on the airport card.
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Remove the two 12 mm T6 screws from the fan.
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Loosen the 27 mm T6 captive screw–it will get removed with the fan assembly.
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Lift the fan straight up to free the captive screw from its hole in the logic board.
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Pull the fan away from the SSD until you can easily access the fan connector.
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Use the point of a spudger to lift the fan connector straight up out of its socket on the logic board.
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Use the flat end of a spudger to lift the SATA cable connector up off of its socket on the logic board.
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Use the tip of a spudger to disconnect the IR sensor cable connector by prying it straight up from its socket.
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The following three steps only apply to Mac minis equipped with a PCIe SSD. Skip the next three steps if your Mac mini only has a hard drive.
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Remove the two 2.6 mm T6 screws securing the PCIe SSD cable bracket.
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Tool used on this step:Mac mini Logic Board Removal Tool$4.99
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Insert the Mac mini Logic Board Removal Tool into the two holes highlighted in red. Be sure the rods make contact with the case under the logic board before proceeding.
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Carefully pull the tool toward the I/O board. The logic board and I/O board assembly should slightly slide out of the outer case.
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Cease prying when the removal tool makes contact with the opening in the rear case.
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Carefully slide the logic board assembly out of the Mac mini, minding any cables that may get caught.
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To free the power supply from the case, grab the AC-In connector, which acts like a latch.
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Rotate the AC-In connector 90 degrees counter-clockwise.
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Remove the four (two on each side) 6.5 mm T8 screws securing the hard drive to the drive tray.
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Lift up the ribbon cable and carefully peel away the black tape underneath. It secures the SATA cable connector to the PCB of the hard drive. Failing to remove the tape will almost surely cause the contacts soldered to the flex cable to rip from the connector housing, as the retention force of the contacts in the housing is quite low.
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Pull the SATA cable connector straight out of the hard drive.
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Carefully peel off the two black, square-shaped sticky pads (one visible in picture) from the corners of the hard drive, and stick them to your new hard drive in the same locations.
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