change my computer monitor to the benq 144hz, computer shuts down randomly

darkshelby

Honorable
May 1, 2012
198
0
10,690
so this has never happen to me before i was playing a assain creed 4 on max graphics and i just started using my new benq xl2720z and i went to nvidia option to change my hz from 60 to 144. and now when i play my ac4 my computer whould just shut off and restart randomly. could this be a result on a monitor? seems high unlikely but i don't know.

my specs are
3930k 3.2
asus rampage 4 black edition
sli 780 ti asus
1300 w antec high current flow
1 tb samsung ssd