16gb ram issue

I've run out of ideas here, so I hope someone have any ideas. A while ago, I bought and installed a Kingston 1 TB m2 as a second drive in my Acer Nitro 5 laptop. Right after that, it started behaving strange. It's "running out of ram" by eg opening one instance of photoshop and visual studio...

Hello, I can't find any info online and NZXT haven't answered my support ticket so I thought I'd ask here. Can I change the stock fans on an NZXT Kraken x52 AIO cooler. I'd like to change the fans to corsair hd120s to match the rest of my rgb build, I understand with hd120s it wouldn't cool...