Guild Wars 2

HI
So the point isi bought a new pc and game started blackscreening and crashing in random time. Someday i can play without any issues and someday it happens every 3 mins or so. My specs: i7 4790k, geforce gtx 970, 8gb ram, power suply 600w, cooler – be quite shadow rock slim, monitor – lg 22m37. This happening only when im playing gw2, when i playing dota2 or mmh7 its okay. Sometimes screens just go black and then turn on again and it says smth d-sub off/on and sometimesmy pc just crashed and i need reboot it. I googled it alot and trying to do diffrent stuff but nothing help.
Pls help me. I bought HoT alreaady and wanna play it without any problems tomorrow very much. Any advice would be appreciated.

P.S. English is not my native language, thats why i cant write more corectly about my problem, i hope u understand me a little bit.

can anyone help me>?

You can contact the Tech CS Team via the ‘Support’ link above/below and ‘Submit a Request’ for assistance, if you so desire.

You might try a previous graphics driver, though.

Good luck.