MarshallR@ASUS has posted "For example: every Nvidia driver since 267 on the site has had an S3 bug with the 560M." That is his reason why ASUS has not updated the video driver since that version on the ASUS download site. See http://rog.asus.com/forum/showthread...ll=1#post78023
If I was in your situation, I would attempt a clean boot and see if you can reproduce the issue. If not, I'd try uninstalling applications to see if I could find the one responsible.