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- Sep 25, 2013
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So I ordered 8GB of RAM for my macbook pro and installed it and got the three beeps that you get with faulty ram. Then I tried with one of the old 1GB ram chips and one of the new ones and it worked fine. Every arrangement (slots or ram sticks) works fine regardless of which stick or which slot as long as I have one of the old 1GB RAM sticks. Any ideas? I know this one's capable of running 8GB so I would really like to be able to.