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Noisy PC

Started by (FG) TheLogick, Jan 12 2009 07:46 PM

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#1 (FG) TheLogick

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Posted 12 January 2009 - 07:46 PM

Hi,

My server is really noisy and I think I found why, the heatsink is next to the back fan so the heatsink is blowing on the back fan although the back fan is an exhaust and blows air outwards not inwards so it shouldnt clash and cause a sound, but I suppose it still does. Pictures attached, any ideas



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#2 (FG) NeeDSiE

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Posted 12 January 2009 - 08:00 PM

QUOTE ((FG) TheLogick @ Jan 12 2009, 07:45 PM) <{POST_SNAPBACK}>
Hi,

My server is really noisy and I think I found why, the heatsink is next to the back fan so the heatsink is blowing on the back fan although the back fan is an exhaust and blows air outwards not inwards so it shouldnt clash and cause a sound, but I suppose it still does. Pictures attached, any ideas




take it to a local repair shop and tell them to give it a blow job, they will know what you mean. (its pressurised air blown onto the fans to get rid of dust)
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#3 (FG) Preci

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Posted 12 January 2009 - 08:17 PM

ye its probably a hell load of dust also maybe turn your heatsink fan round so its goin through the case wink.gif
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#4 (FG) TheLogick

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Posted 12 January 2009 - 08:19 PM

I cant because the sheild will hit the back fan
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#5 (FG) Chris

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Posted 12 January 2009 - 08:29 PM

just take that fan off and fit another one
and buy a can of pressurised air and blow out the fans (mind the way they turn though, so you don't fuck them up)

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#6 Guest_(FG) Jasonpw_*

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Posted 12 January 2009 - 08:39 PM

Based on my understanding of PC construction, ur fan is pointing in the correct direction.  I know you can't anyway, but don't reverse the heatsink fan otherwise you would be blowing hot air back into the case and this would increase the temps and end up causing you other issues.

Dust does seem to be an issue, so as several have suggested either invest in a 'blow job'.  And if this fails at the lame arse prices of fans, replace them.  Could it be a bearing sound issue?

#7 (FG) TheLogick

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Posted 12 January 2009 - 08:39 PM

Do you think I can remove the back fan completly? If all fails I'll tell it to dress up tarty and give it a blow job, but I just hovered it the other day
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#8 (FG) The Muppet

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Posted 12 January 2009 - 09:48 PM

QUOTE ((FG) TheLogick @ Jan 12 2009, 12:38 PM) <{POST_SNAPBACK}>
but I just hovered it the other day




ohh dear god .. NEVER, AND I MEAN NEVER PUT A HOOVER INTO A COMPUTER...  a now ex-friend was being tech supported by me with noisy fans, i told him to get the dust out, but before i could tell him to not use a vacuum, it was too late .. he spun his fans in reverse watching all the pretty dust dissapear, but at the same time , reverse powering his board.. 9 months later he had a new computer, he had cooked his completly....

cleaning fans .. unplugg them from any power source, dont let the fan free spin , either backwards or forwards.. it will cause the fan to act as a generator, and kill your computer....

NEVER USE POWER TOOLS WITHIN A COMPUTER....  always use a static strap, or touch the hand held screwdriver to the case before ever touching any screws


from looking at the picture , it appears you would be safe to remove the back fan, and allow the heat sink fan to vent out the back there where the fan was .. with no issues

#9 (FG) TheLogick

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Posted 12 January 2009 - 09:56 PM

QUOTE ((FG) The Muppet @ Jan 12 2009, 09:47 PM) <{POST_SNAPBACK}>
cleaning fans .. unplugg them from any power source, dont let the fan free spin , either backwards or forwards.. it will cause the fan to act as a generator, and kill your computer....


Interesting smile.gif

I got another fan in the front so it should be ok just removing the back one

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6GB 1600MHZ
1500GB HDD

#10 (FG) The Muppet

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Posted 12 January 2009 - 10:08 PM

QUOTE ((FG) TheLogick @ Jan 12 2009, 01:55 PM) <{POST_SNAPBACK}>
Interesting smile.gif

I got another fan in the front so it should be ok just removing the back one



yes you have basically two types of cooling you can do with a sealed case.. positive pressure , wich is pump so much air into the case, that every crevace acts as a outlet for hot air being pushed out .. hence positive pressure...

or negative pressure where all the fans push out the case, causing the crevases to suck cool air into the case... the most effective of course is positive pressure, giving more cool air then the computer can use...
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