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MacBook Unibody Model A1278 RAM Replacement

Introducción

Accessing the RAM in this computer is straightforward and requires minimal disassembly.

Qué necesitas

  1. MacBook Unibody Model A1278 RAM Replacement, Access Door: paso 1, imagen 1 de 1

    • 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.

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  2. MacBook Unibody Model A1278 RAM Replacement: paso 2, imagen 1 de 1

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

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  3. MacBook Unibody Model A1278 RAM Replacement, Battery: paso 3, imagen 1 de 1

    • 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.

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  5. MacBook Unibody Model A1278 RAM Replacement, Lower Case: paso 4, imagen 1 de 1

    • Remove the following eight screws securing the lower case to the chassis:

    • One 3 mm Phillips screw.

    • Three 13.5 mm Phillips screws.

    • Four 3.5 mm Phillips screws.

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  6. MacBook Unibody Model A1278 RAM Replacement: paso 5, imagen 1 de 1

    • Using both hands, lift and remove the lower case off the upper case.

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  7. MacBook Unibody Model A1278 RAM Replacement, RAM: paso 6, imagen 1 de 1

    • Release the tabs on each side of the chip by simultaneously pushing each tab away from the RAM.

    • These tabs lock the chip in place and releasing them will cause the chip to "pop" up.

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  8. MacBook Unibody Model A1278 RAM Replacement: paso 7, imagen 1 de 1

    • After the RAM chip has popped up, pull it straight out of its socket.

    • Repeat this process if a second RAM chip is installed.

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Conclusión

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

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21 comentarios

Open back of unit, press two grey sides surrounding the chip, pull out the top (leave the bottom 2gb in) put in the new (4gb) chip; now there are 6gb of ram.

mrstiffanyjudson - Contestar

I just upgraded to 2 4GB chips. Works fine sofar!

Sten Folkerman - Contestar

That's awesome! I thought that I could only upgrade the RAM to 4GB (which is what I have now). Can you give me the type of RAM that you installed? I have this exact model MacBook.

Jonathan -

Uh oh. I replaced my 2 1GB ram with 2 2GB. I turned it on and it beeps at me about every second, the front status light blinks in time, but nothing else....what next?

dunkelcreature - Contestar

Sounds like bad RAM. I would contact who you purchased it from. If it was us, email support [at] ifixit [dot] com

Scott Dingle -

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