Question Computer not starting when I press on power on button.

Feb 26, 2023
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my computer is not starting when I press on power on button.
It worked before it just stopped working.
I tried to my connection between the two power switch pins it worked maybe 2-3 times after a lot of hard trying and now it’s not working when i connect the two pins. I know that my power supply is working because I tried to connect the green cable pin with a black one and it worked. And nothing in the computer is burned because every thing wroked normally the 2-3 times when the computer turned on when I connected the two power switch pins. I need help what is the problem here?
 
Feb 26, 2023
2
0
10
full system spec? include brand and model of the psu
Motherboard: nzxt n5 z690 ATX LGA1700
CPU: Intel core i7 12700k
GPU: Radeon to 6950 xt
PSU: Thermaltake thoughpower gf1 pe 850W 80+
Memory :t force Vulcan z 16gb 2x8 ddr4-3200 cl16
Storage: Kingston nv2 2tb m.2-2280 PCIe 4.0 NVME solid state drive