Also, why wouldn't the system boot with just a 4GB module in the upper RAM slot.It doesn't make any sense and I am at a loss to explain or figure out how to get 8GB usable in this 2010 Macbook. Either 2GB module with either 4GB module works with this configuration.Tried either of the 4GB modules in the lower slot with either of the 2GB modules in the upper slot, but no go either.This would seem to indicate that there is a problem with the lower RAM slot, but why do the 2GB modules work there and the 4GB don't. I know this indicates a RAM issue.I tried swapping the RAM position, still no go.I tried just each of the modules one at a time in each RAM slot, still no go.I put one of the old 2GB modules in the bottom slot and a 4GB module in the upper slot, and this works (gives me 6GB). PC3-10600 DDR3, halogen & lead free memory exclusively manufactured for Mac. Replace the bottom cover using the alignment dots to place it in the unlocked position. 8GB 1333MHz RAM for iMac 2010-11, Macbook Pro 2011 and Mac Mini 2011.
The 2010 had 4GB (2x2GB) of RAM and the 2012 had 8GB (2x4GB).I replaced the 8GB with 16GB in the 2012 model with no problem.When I installed the 2x4GB RAM modules into the 2010 Macbook, it would not boot and just beeped. Never operate your Mac mini without the cover in place.
Strange memory problem - Macbook Pro 13 Hello, I have two macbook Pro 13's, a 20 models.
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