I use a laptop(Fully updated, I believe). When I play the game, I can only play one depth/level then If I loaded another one, Its just black screen then after a LONG time returns back to login screen.

I believe its RAM, but any official ways to solve this?

SETBACKS:
I don't have the right to upgrade stuff in the laptop, do not own it yet.
I am not a technowizard, so please go easy on me with technical stuff.