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Glennstefani

Cpu fan stopping

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Posted · Original PosterOP

Hi.  I just upgraded my cpu from the ryzen 2700x to the 3900x.

 I plugged everything in, and I also upgraded my psu to a corsair RM 750x. 

 

I didn't have time to finish everything, but I started it up without a monitor and I noticed that the rgb fan lit up and started spinning. But then it would stop spinning every now and then. 

 

I know I should wait until I can start it with the monitor plugged in, but I got worried if there could be any issues. 

 

I did some Google searches and I read people talking about everything from psu to motherboard issues.  Which got my worried. 

 

So if anyone could enlighten me I would be greatful.   

 

Thanks. 

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This is normal behavior as far as I've experienced on a handful of Ryzen builds. 


I WILL find your ITX build thread, and I WILL recommend the SIlverstone Sugo SG13B

 

Primary PC:

i7 8086k (won) - EVGA Z370 Classified K - G.Kill Trident Z RGB - Force MP500 - Jedi Order Titan Xp - The venerated Hyper 212 Evo (with RGB Riing flair) - EVGA G2 650W - Black and green theme, Razer branwashed me.

Draws 400 watts under max load, for reference.

 

Linux Proliant ML150 G6:

Dual Xeon X5560 - 24GB ECC DDR3 - GTX 750 TI - old Seagate 1.5TB HDD - Dark moded Ubuntu (and Win7, cuz why not)

 

EVGA G3 thread, BR/BT threadSeasonic Focus thread, S12II/M12II thread, Userbenchmark (Et al.) is trash explained

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Sounds like the cpu fan curve is set to have the fan turn off if the cpu is below a certain temp. I wouldnt worry about it. Just monitor temps for a few days during normal use.

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