Today my asus centurion broke and I cant fill out a Tech Support email because it says my S/N is invalid (probably something to do with that they were replaced before because of the microphone issues). So i was wondering if someone could help me out ...

I recently bought a asus pg258q swift 240hz monitor and when I have G Sync enabled it seems to flicker to black screen then back and it will keep doing it like every 2-5 seconds until i turn G sync off. I am not sure what triggers this sometimes i ca...