Is the CPU fan supposed to come on when testing?

Abraham Farrar · Oct 8, 2014

I'm building my first PC and I built it outside of the case and when I went to test it before putting it in the case, the cpu fan didn't come but the light on the mobo did and the test speaker did beep once. So is my cpu fan DOA?

millwright · Oct 8, 2014

Yes, or it wasn't connected correct.

millwright · Oct 8, 2014

By the time you get the beep it has tested the memory, and well into it's running state.

Abraham Farrar · Oct 8, 2014

millwright :

I have it connected correctly. I'm just wondering if maybe I didn't short the power on the mobo correctly.

millwright · Oct 8, 2014

If you mean ground, there are plenty of ground wired going from the power supply to the motherboard.

millwright · Oct 8, 2014

How about some details on the cooler?
Stock/Aftermarket?
What CPU
How many wire?

Abraham Farrar · Oct 8, 2014

millwright :

It's the Deep Cool Gammaxx 400. It has 4 wires coming off the fan.

Abraham Farrar · Oct 8, 2014

Power supply is the Seasonic ss-750KM X-series Motherboard is the asus Vanguard B85

millwright · Oct 8, 2014

Try replugging it, in case it's a bad connecting.
Resetting the CMOS/BIOS can't hurt, and might help.
I'd test the plug with a multimeter, and the fan with a old power supply.

Abraham Farrar · Oct 8, 2014

millwright :

Awesome, thanks for the help! I must have just gotten ahead of myself. I WAS a bad connection.

millwright · Oct 8, 2014

Good, I checked the reviews, and it looks like a pretty good cooler. No fan failures either

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Is the CPU fan supposed to come on when testing?

Abraham Farrar

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