I want to upgrade from 2GB to 4GB. Do I need two 2GB memory cards or will one 4GB memory card work just fine with the other slot empty?
I have a MacBook Pro 13-inch, Mid 2009
Processor 2.26 GHz Intel Core 2 Duo
Memory 2 GB 1067 MHz DDR3
I have a MacBook Pro 13-inch, Mid 2009
Processor 2.26 GHz Intel Core 2 Duo
Memory 2 GB 1067 MHz DDR3