How do I upgrade my ram to 8GB? without computer freezing?
I replaced the manufactures ram that was originally 2x2GB. Tried upgrading to 2x4GB with the system maximum allowed memory is 8GB. After I installed the kit, the computer would freeze during start up and would not continue unless you reset the computer. I verified if the ram were installed right and made sure there were no damages on both ends. Maybe not the smartest idea but I took one of the 4GB and swapped with one of the originally 2GB. The system works with having two unequal ram, a 2GB and 4GB with a total of 6GB memory. I have upgraded this MacBook Pro to OS Maverick but unsure if that has any effect. The 2 x 4GB kit I bought is cheap inexpensive brand. PNY 8GB (2x4GB) Dual Channel DDR3 PC3-8500 1066MHz. Unsure what are the next steps but I am hoping to get a solution so I can use the money well spent on the new kit.
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