Hot answers tagged macbook
The boot picker is in the boot ROM, not on any disk. No Apple partitioning tool would turn your disk from GPT to MBR, but they would put a Protective MBR on the disk so MBR-based tools will realize the disk is partitioned and not mess with it.
MacBook Pro (13-inch, Mid 2012) Supports up to 16 GB using two 8 GB DDR3 1600 MHz SODIMM Modules. They are both the same. Apple Support Article here. The crucial links are for 8 GB Kit ( 2 x 4 GB). I would recommend a single 8 GB over 2 x 4 GB, so later if you need to upgrade again, you can just install another 8 GB. Else, you would have to remove the 8 ...
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