Question Pc shutdown and now when it turns back on fans keep turning off and on

Jan 21, 2021
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Last night I turned my pc on and walked away to grab a drink. When I came back my pc was off. All lights on the mobo were off and USB ports stopped giving off power. The outlet was still working and no breakers were tripped. I tried getting it to work and nothing happened so I unplugged the pc. This morning before I left for work I plugged it back in and it turned on. The PC booted up fine but my case fans kept turning off and on every 2 seconds(fan and lights). I had to leave for work so I turned it off. What could be going on?

Mobo-maximus hero xi
Cpu- I9 9900k
Gpu- msi gaming x trio 3080
Ram- 32gb corsair dominator
Psu- corsair ax860
 
Last edited:
Jan 21, 2021
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reset the BIOS

maybe the fan controller/hub is faulty

did you overclock the system?
It's only the case fans that are turning on and off I didn't check into the controller. Still wondering what caused it to turn off and not back on last night. I have never over clocked the system.
 

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