There are a few things in your anecdote that are particular to your case and which should be solvable by an installer that focuses on gpu detection; those are the things that valve will focus on.

Wait until the elevated highway collapses

You had my attention, now you have my interest

Time travel does exist, but you can only go forward. You just need to approach the speed of light relative to a frame of reference, and you will travel a shorter time span compared to it.

I love it when the educated turn up to comment