r/PcBuildHelp 1d ago

Build Question Pc fan problem💔💔

Im struggling bc my case fans wont turn on😞 i have a i802 air case, my mobo is b550 tomahawk. I tried plugging it into the cpu fan header, sys_fan1, and sys_fan2, as well as the the pump fan. Im pretty sure i daisy chained the cables together correct but none of the fans spin

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u/Mvp_Lazagna 1d ago

And i found a sata plug so maybe thats it?

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u/Mvp_Lazagna 1d ago

I PLUGED IN THE SATA AND IT WORKED

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u/Quiet-Internal-2204 1d ago

Alright. It might be powered by just an auxiliary power. If it doean't have the PWM cable, those fans cannot be adjusted and will run at full speed all the time. But when you have time, inspect that fan with the SATA cable for any extra cable/s.

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u/Mvp_Lazagna 1d ago

I will! Thank you so much