Introduction
Tools
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            Remove the 9 phillips #0 screws from the bottom of the case. 
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            Carefully pry open the base cover with your spudger. Work your way around the case slowly, being careful not to damage any of the components inside. 
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            Once removed you will have access to the contents of your case. 
 
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            Locate Memory on the mainboard. 
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            Gently push the retention clips away from the memory module. Once you have both clips pushed away the memory module will "pop-up" on it's own. 
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            Pull the memory module away from the mainboard. 
 
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To reassemble your device, follow these instructions in reverse order.
One comment
Thanks, this helped me! I noted a few things:
1.some of the screws are a little hard to get out, I think because they have lock-tite, it acts as a retainer. They had to be pulled while also unscrewing.
2.I used the iFixit bladed halberd, to pry of the case without breaking the clips. I know it's not as common of a tool, but the ultra thing blade worked well to disengage the clips gently.
3. My single 16GB DIMM wasn't cutting it. All physical memory was exhausted by the time I booted and loaded one Office file. I added a 4GB PC4-2666MHZ I had lying around, and it worked. Mixing and matching isn't recommended, but it worked in my case. Hopefully now I have some breathing room for running apps. PC/Mac vendors should stop selling units with 16GB or less. It simply isn't enough for a modern Mac or Windows (but does work fine for Linux).