trackpoint

Hi, I have a Lenovo E15 Windows 10 Pro (fully updated) and I use Photoshop and Lightroom extensively. Personally I don't like the Trackpad so it's disabled and I use only the Trackpoint (and the 3 keys below it). Occasionally when I use Lightroom the Trackpoint suddenly freezes and stops...

So as you see by the title of this topic i messed up pretty bad in my eyes. I am a complete noob at hardware stuff inside the computer so today i decided to look up how to add more ram so maybe i can learn a little more about my own laptop. So i followed the video, i opened the ram slot and i...