Question Pc broke, help me

Oct 31, 2019
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My pc would’nt start one day.
I suspected psu and mobo first. I rewired the pc twice, once directly after and one around 8 hrs later with my original 750w 80+ gold PSU and it started the second time with both PSU’s.

But when it started it was laggy, frozen screens and no startup programs starting, my next suspects was the SSD. So i tried it with my friends PC, and it worked perfectly with no evidence of being buggy or broken at all.

And now i am in a sticky situation and have no idea of which of my components are the issue.

Pc comps is:
Gigabyte Aorus x470 Ultra Gaming
Amd ryzen 5 2600x
Gigabyte Aorus RTX 2070 XTREME
16gig 3200MHz Ram
Boot SSD: 240 GB sandisk
Off SSD: 960 GB kingston
PSU: 750W 80 Plus GOLD