Yes im starting to suspect the psu as i have had this suggested on a couple of forums . Not sure how confident i am of doing this myself but i will look into it and i will certainly upgrade it to reach a solution.
Have had it since 2017 so out Warranty but i have previously raised this with PCS and received a replacement GPU as a result but the problem has never really been rectified and is only really managed by me making sure to keep my GPU under 50 degrees which as you can imagine is quite difficult...
Yes it is . Heres full spec
Case GAME MAX FALCON BLACK GAMING CASE (RGB LED)
Processor (CPU) Intel® Core™i7 Quad Core Processor i7-7700k (4.2GHz) 8MB Cache
Motherboard ASUS® ROG STRIX Z270E GAMING: LGA1151, USB 3.1, SATA 6GB, WiFi - RGB
Ready!
Memory (RAM) 16GB Corsair VENGEANCE DDR4 2666MHz (2...
Currently running triples with 1080ti 11gb, i7 700k, 650watt psu and ASUS® ROG STRIX Z270E .
Ive had a long standing issue with my PC whereby if the gpu temps go above 65 degrees one of my monitors blacks out but game keeps running.
I thought gpu's could run much hotter than this before...