to whom it may concern:
How I upgrade my memory of macbook 2007, I have 2gb
Get the user manual: MacBook (13-inch, Mid 2007) - User Guide. If you have the Mid-2007 model you can install 4 GBs (2 GBs in each slot) but only 3 GBs will be active. If you have a Late-2007 model you can install up to 6 GBs of RAM.
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