Apple MACBOOK - Manual (Page 84)

84 Chapter 4 Adding Memory to Your MacBook
4 Insert the new memory modules into the slots:
a Insert the gold edge first, with the notch on the left side.
b Use two fingers with firm, even pressure to push in the memory modules. You should
hear a click when the memory is inserted correctly.
c If the levers don’t return to the closed position, move them to the right to close
them.
Notches
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