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MacBook Unibody Model A1278 SSD Installation

  • Author: Dozuki System
  • Time estimate: 15 - 30 minutes
  • Difficulty: Easy

When replacing your hard drive, you must transfer the Torx screws from the old drive to the new one.

Some drive bays have a height of 7 mm, while others have a height of 9.5 mm. Depending on the size of your drive bay, you may need to use a spacer to make your SSD fit properly.

Tools (continued)
Relevant Parts

Step 1 Access Door  ¶ 

Image 1/1: Depress the grooved side of the access door release latch enough to grab the free end.  Lift the release latch until it is vertical.

Step 1 Access Door  ¶ 

  • With the case closed, place the Unibody top-side down on a flat surface.

  • Depress the grooved side of the access door release latch enough to grab the free end. Lift the release latch until it is vertical.

Step 2  ¶ 

Image 1/1:

Step 2  ¶ 

  • The access door should now be raised enough to lift it up and out of the Unibody.

Step 3 Battery  ¶ 

Image 1/1: Grab the white plastic tab and pull the battery up and out of the Unibody.

Step 3 Battery  ¶ 

  • Be sure the access door release latch is vertical before proceeding.

  • Grab the white plastic tab and pull the battery up and out of the Unibody.

Step 4 Hard Drive  ¶ 

Image 1/1: This screw is captive to the hard drive bracket.

Step 4 Hard Drive  ¶ 

  • Remove the single Phillips screw securing the hard drive bracket to the upper case.

  • This screw is captive to the hard drive bracket.

Step 5  ¶ 

Image 1/1: Lift the hard drive out of the chassis, minding the cable attaching it to the computer.

Step 5  ¶ 

  • Lift the hard drive by its pull tab enough to grab and remove the retaining bracket.

  • Lift the hard drive out of the chassis, minding the cable attaching it to the computer.

Step 6  ¶ 

Image 1/1:

Step 6  ¶ 

  • Remove the hard drive from its cable by pulling the cable connector straight away from the drive.

Step 7 SSD Installation  ¶ 

Image 1/1: Transfer these screws to your new SSD.

Step 7 SSD Installation  ¶ 

  • Remove the four 6.0 mm T6 Torx hard drive retaining posts from the sides of the hard drive.

    • Transfer these screws to your new SSD.

  • If desired, transfer the pull tab over to your new hard drive.

Step 8  ¶ 

Image 1/3: Peel the backings up off the adhesive strips mounted on the spacer.

Step 8  ¶ 

  • For 7 mm SSDs, you'll need to apply a spacer to ensure a good fit.

  • Peel the backings up off the adhesive strips mounted on the spacer.

  • Press the spacer onto the SSD as shown; proper orientation will ensure the spacer does not cover any screws or screw holes.

Conclusion

To reassemble your device, follow these instructions in reverse order.

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