Question When the fan lights are turned on, my PC resets ?

[benteh2004]

I was cleaning my pc and had to unscrew the fans to clean the radiator, but now when i re-assemble it , the pc boots fine and everything works, but when the fan lights are turned on, my pc resets. It doesnt reset instantly, only after a while when the fans has been turned on (i use RGB Fusion for this) for awhile (1-5 minutes~) it resets. There is no bluescreen, almost like a power cut off, im not good at electrical stuff so if anyone could help with this id be glad!

 

[JohnBonhamsGhost]

make sure all fans' connections are firmly and properly in place.
if it uses a fan hub, also make sure all connections to/from this are too.

 

[benteh2004]

make sure all fans' connections are firmly and properly in place.
if it uses a fan hub, also make sure all connections to/from this are too.

i have checked several times, no dice. I was cleaning it bc my pc was crashing when i was playing games after awhile, i thought it mightve been dirty, but its still resetting. Maybe this could also relate? This pc is abt 5 years old now

 

[KingLoki]

For curiosity, try using CPU-z and run a stress test, while also watching HW Monitor software to check temps and fans and leave lights off. Just Curious??

 

[benteh2004]

For curiosity, try using CPU-z and run a stress test, while also watching HW Monitor software to check temps and fans and leave lights off. Just Curious??

I did some stress tests on OCCT and it managed to pass them individually, but when doing a combined test of

CPU + RAM: High priority, large extreme variable AVX2
Memory: Above normal priority, 90% , AVX2
3D Standard: High priority, 3 Complexity, 100%
VRAM: Normal Priority, 90%

My pc crashes basically as the test starts, im thinking it is a power issue? These are at stock settings after loading optimised defaults in BIOS