Question HELP! PC keeps crashing while gaming

[Delirium22]

Hello to everyone.
This crashing thing is driving me crazy if someone have some ideas it would be great!

My pc was crashing when playing some games for some minutes so then i thought that its a PSU problem because the pc was liquid-cooled so high temps werent an option and i bought a new psu but the problem was still there so then i bought a new motherboard and a new CPU and the problem was gone for like 2-3 months. And now it wont let me even load the game it instantly crashes and reboots itself. Moments before the crash the red light on the board turns on so i guess its a CPU problem but the CPU is NEW!!

PC SPECS:
GPU: nvidia gtx 980
CPU: Ryzen 5 2600x
MOTHERBOARD: Asus rog strix b450f
RAM: HYPERX FURY 8GB DDR4 2197Mhz
PSU: (not sure about the manufacturer, some mid range psu) 750W

if someone could help me i would really apreciate it, thanks.

 

[Diddly]

Is it all games or just one in particular? It could be your RAM, since thats one thing you haven't changed by the sounds of it. Run a mem test

 

[Delirium22]

Is it all games or just one in particular? It could be your RAM, since thats one thing you haven't changed by the sounds of it. Run a mem test

ive run a memtest and it showed no error. All games

 

[Delirium22]

i forgot to mention that ive tried another GPU also with no results

 

[Oscil]

Last time I had a similar problem it was page file.
It stopped doing it after I adjusted it.