New PC gets very low frames

Mar 29, 2018
2
0
10
I recently bought a new PC, I tested it's frame rate once on a game before I left for work (I tested it on ARK Survival Evolved) I got over 100fps. Now all of a sudden I get around 8 FPS and every game is laggy.

SPECS
Windows 10 64-bit
Intel Core i7-8700k 3.70GHz
8.00GB DDR4 Single memory stick
ASUS ROG STRIX Z370-E GAMING (LGA1151)
NVIDIA GeForce GTX 1080
ZALMAN 1000w PSU (its almost 8 years old)