You are using a browser with the name name, Chrome, and based on the same browser frameworks, WebKit. However, they are not the same. Chrome for Windows is much more mature than Google's port of its browser for the Mac.
Otherwise, I note that you have addressed none of the questions and none of the issues that I have raised in my previous two posts. To be blunt about it, you will have a lot fewer problems if your roommate and you get your own Internet service rather than relying on the neighbor's Wi-Fi.
I have given you all the specs from my computer including the speed checks etc. I dont know what more you want.