Power button blinking! Computer turns on but ruins GTA V!

tiger20022002

Reputable
Jun 22, 2015
3
0
4,510
I use my computer, GTA V is fine. When I don't use it for a day maybe, while my PC is off, the power button light begins to blink. When I turn the PC on, I run GTA V and it takes forever to load. When it does load, GTA is unplayable. Textures don't load and it is extremely laggy. The only way to fix this is to reinstall windows. (Extremely inconvenient) PLEASE HELP! Thanks so much!

My PC

2*4gb Corsiar RAM
ASUS GTX 970
Western Caviar Blue 1tb
450 watt psu
i5 4590
AsRock h97 anniversary

Yes I have tried reinstalling GTA, Drivers are updated.
 

tiger20022002

Reputable
Jun 22, 2015
3
0
4,510


It is a Corsiar CS450M. I have done some research and found that 450 is capable. To test, I used an energy meter and saw that only about 380 - 400 watts was being used. I do not overclock. It didn't do this for the first week.