Mid 2006 / model number A1181 / black or white case / 1.83 or 2.0 GHz Intel Core Duo processor.

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1 RAM slot is bad, can I put 2 GB there?

I used to have 2 x 1 GB installed in my MacBook, but today I found that one of the slots is malfunctioning for whatever reason. (Both chips work in the other slot alone.)

I've read lots of reports saying that the max RAM on these machines is 2 GB, but nobody mentions whether it has to be in two chips--will 1 x 2 GB work in my remaining slot?

Update: See my comment below. Also, I have the 1.83 Ghz model.

Answered! View the answer I have this problem too

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That should be fine. Make sure the 2GB stick is the exact same specs as the original RAM. Then Go to the "About this Mac" on your machine and go to more info and make sure your machine sees the 2GB stick.

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So I'll still mark your answer as accepted, but when I tried it, I couldn't get a POST and the computer wouldn't boot. I bet it depends on the particular logic board you have or something like that. I have another use for the 2 GB so it's not a total loss. It was worth a try!


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I was hoping that Majestys' answer would work, but alas. I have found on some of these "bad port machines" that a lesser RAM chip will work when the higher ones will not. I've been able to install 512 k chips in slots that no longer will take the 1 GB chips and its worked fine. Other just won't take anything. It's worth a try if you have the old original chip lying around.

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