Question PC wont boot, case fans not spinning

Nov 14, 2019
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Hi guys,
My PC wont boot today, it was working fine yesterday.
The case fans and psu fan wont spin, but the mobo lights up without any indications of error. CPU and g
Everything seems to be in good condition.

Ive checked my mobo, psu, cpu and ram. Everything works. This happend once before when I had a new ram doa, but the LED showed dram red. This time I cannot figure out whats wrong.

Any suggestions? Any feedback is helpful

Asus z270f
Intel core i7-7700K
Corsair rm550x psu
Asus geforce 1080 rog
Corsair vengeance ddr4 32gb
 
Nov 14, 2019
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10
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how did you check them?
I have another PC where I checked the different parts. I just removed the cmos battery for a min and tried to boot up again, now all the fans are running on the case as well. However, there is nothing happening on the screen and mouse/keyboard. My USB external hd seems to be powered tho
 

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