finding the source of the ticking, how do i turn psu fan off?

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yoyogabagaba

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Dec 6, 2013
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alright so i got a ticking noise in my computer which iam pretty sure its either coming from the psu fan, or the gpu fan.

i cant turn the gpu fan to less then 30%, and i dont know if theres anyway to turn the psu fan off.


so anyway to turn the power supply fan off for just a sec to see if its the one causing the ticking?

and if so, is it dangerous to turn it off?( even if its just for a few seconds)
power supply model: antec 620 watt hcg-620
Thanks.
 
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DigitalHermit

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Dec 9, 2013
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You normally can't turn off the psu fan and it may void your warranty and even damage the psu.

Try listening to the CD/DVD/BD Drive or Floppy Drive if you have them.

It may also be a sign of a dying hard drive. Ticking noises, especially at startups may indicate that there may be some mechanical faults starting to form in the hard drive's mechanism.
 
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DigitalHermit

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Dec 9, 2013
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You normally can't turn off the psu fan and it may void your warranty and even damage the psu.

Try listening to the CD/DVD/BD Drive or Floppy Drive if you have them.

It may also be a sign of a dying hard drive. Ticking noises, especially at startups may indicate that there may be some mechanical faults starting to form in the hard drive's mechanism.
 
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VincentP

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Oct 18, 2013
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If you have a stock CPU cooler, this is the likely offender.
You can briefly stop the CPU fan if the computer is just idling. I wouldn't do this if it is working hard.
With the case open, just briefly press on the centre of the CPU fan to stop it and check that the noise stops.
Quickly release and it should start again. Give it a nudge if necessary and it will spin up again.
You can do the same thing to a video card fan if necessary.
 
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yoyogabagaba

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Dec 6, 2013
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have already stopped the cpu fan with my hand and it isnt that.

was too scared to stop the gpu fan with my hand because it was expensive, you certain that it will be fine?

model : evga gtx 780 refrence modle

Thanks for all your responses

 
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VincentP

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Oct 18, 2013
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Even if you just slow the fan this way, you'll quickly hear if the ticking slows as well.
 
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yoyogabagaba

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Dec 6, 2013
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the ticking dosent seem to quiet down when i attempt to stop the fan, but i dont want to stop it completely with my hands because it feels like its putting in some strength, so not sure if its the gpu fan.....

not sure what to do now....

edit: almost stopped it completley, and ticking stays the same, so pretty sure its the psu's fan now, seeing how its the only one i havent tried stopping
 
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VincentP

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Oct 18, 2013
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With the side off the case, try to identify where it is coming from. The hard drives are usually a fair distance from the PSU, so you should be able to tell which it is.

You can also get noise from components that don't move. This is typically under high power draw in a power supply or video card. Noises like that should definitely stop when just on the desktop though.
 
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