Posted by: Zahid« on: January 18, 2016, 10:35:00 »
I have a similar model NP550P5C-S05IN with 8GB DDR3 (4+4). Task Manager says I'm only using 2 out of 4 slots. I opened the back cover and couldn't find the 2 extra slots. Where are the two empty slots? Or do they not exist?