1080ti nvidia

So got my GeForce GTX 1080 Ti Gaming OC 11G while living in Australia in late 2018, and for the past year I've had artefacts and black screens (which I have documented with timestamps), but now I'm in the UK I'm not exactly sure what to do. Messaged Gigabyte and explained and they're just like...

Hi guys I have 1080 ti graphic card and lately I have a critical issues happened in the card while I playing some games and often with all games it's crashed and give me a black screen also it's overheated all the time but sometimes the crash happened without overheated it's crashed when the...