It could also be the PSU.
Full specs
MOBO - H110M PRO-VH PLUS
CPU - PENTIUM G4560
GPU - Zotac 1060 3gb mini
PSU - silverstone st50f-es230
RAM - 8gb x 2 TEAM ELITE 2400mhz
FULL STORY
Things I tried doing :
Reseating video card
Reapplying thermal paste
updating mobo
underclocking thru msi...