I posted this as a reply, but I thought this would be a better spot on the forum in a top level post.
At taz's request, a method you really are going to be hard pressed to make a mistake with, is perhaps adding a check to see if your video drivers are up to date.
Nah. Everyone can do that right? I would imagine by now it's a habit, especially if your a bit of a gamer.
ANYWAY... here it is, a method that is quite frankly point and click. https://anykeycafe.com/little-o/