Once your files are backed up, shut down your MacBook Pro. Plug it into the AC adapter, and then boot it back up. Finally, press and hold “Command-R” (the “Command” and “R” keys at the same time) to start the restore process. Hold these keys until the Apple logo appears on the screen, and then release them.What is the best recovery software for Mac?
Disk Drill is the free top data recovery app for Mac OS X. Disk Drill Basic, in addition to having previewing capabilities for recovered files, contains several other functionalities, such as Recovery Vault and Guaranteed Recovery, lost partition restoration, boot disk maker and so on, which make it one of the best Mac data recovery software ...How much memory on a MacBook Pro?
Both memory slots can accept an SDRAM module that meets the following specifications: The MacBook Pro "Core 2 Duo" 2.16 GHz/2.33 GHz models use the same type of memory, but officially support up to 3 GB with "a 2 GB SO-DIMM in one slot and a 1 GB SO-DIMM in the other.".