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Boot Up Fan Noise

 
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Noise like jet engine when boot up PC - Hi, My Dell desktop's a dual-P4 3.4GHz. when a noise - which I think comes from the fan but also could sound like the HDD spinning faster and faster - is emitted. It keeps on getting louder and lounder each second (like a jet..

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Author Message
Goff

External


Since: Jan 29, 2008
Posts: 12



(Msg. 1) Posted: Tue Jan 29, 2008 10:06 am
Post subject: Boot Up Fan Noise
Archived from groups: alt>comp>hardware (more info?)

Immediately after "Post", I get very loud fan noise. The system is about a
year old using a NVidia 6600GT, AMD 3700, and there is a case fan.
Can someone tell me which fan is probably the culprit ??

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Jon Danniken

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Since: Aug 16, 2004
Posts: 248



(Msg. 2) Posted: Tue Jan 29, 2008 10:06 am
Post subject: Re: Boot Up Fan Noise [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"Goff" wrote:
> Immediately after "Post", I get very loud fan noise. The system is about
> a
> year old using a NVidia 6600GT, AMD 3700, and there is a case fan.
> Can someone tell me which fan is probably the culprit ??

Sure, give me your address, pay transprtation costs with a meal stipend, and
a minimal charge (one hour minimum), and I'll come over and find out for
you.

Alternately, you could open your box and find out yourself.

Jon

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tpow

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Since: Jan 18, 2008
Posts: 25



(Msg. 3) Posted: Tue Jan 29, 2008 10:06 am
Post subject: Re: Boot Up Fan Noise [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"Goff" <gstarring.RemoveThis@gmail.com> wrote in message
news:UjGnj.15347$X76.7881@fe08.news.easynews.com...
> Immediately after "Post", I get very loud fan noise. The system is about
> a
> year old using a NVidia 6600GT, AMD 3700, and there is a case fan.
> Can someone tell me which fan is probably the culprit ??
>
>

I would say the graphics card fan cos at that point the video processor is
starting to work running the windows environment.

dj
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GT

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Since: Jul 13, 2005
Posts: 637



(Msg. 4) Posted: Tue Jan 29, 2008 12:04 pm
Post subject: Re: Boot Up Fan Noise [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"Goff" <gstarring RemoveThis @gmail.com> wrote in message
news:UjGnj.15347$X76.7881@fe08.news.easynews.com...
> Immediately after "Post", I get very loud fan noise. The system is about
> a
> year old using a NVidia 6600GT, AMD 3700, and there is a case fan.
> Can someone tell me which fan is probably the culprit ??

Your diagnoses is probably correct - fans do tend to fail after a while. It
could be the CPU fan, the motherboard chipset fan, the graphics card fan,
the system exhaust fan, the PSU fan. No way for us to tell

Take the side or top off your case and turn on the system and have a
listen - you should easily be able to see which fan is failing. Come back to
us for more help if you need it, but basically find the broken/failing fan
and get it replaced as soon as possible - a component that needs a fan
shouldn't be run without one for very long at all, I'm talking maybe 10-20
seconds!
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Goff

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Since: Jan 29, 2008
Posts: 12



(Msg. 5) Posted: Tue Jan 29, 2008 12:04 pm
Post subject: Re: Boot Up Fan Noise [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

In article <479f36b3$0$20464$c3e8da3@news.astraweb.com>,
ContactGT_remove_.TakeThisOut@hotmail.com says...
>
>
>"Goff" <gstarring.TakeThisOut@gmail.com> wrote in message
>news:UjGnj.15347$X76.7881@fe08.news.easynews.com...
>> Immediately after "Post", I get very loud fan noise. The system is about
>> a
>> year old using a NVidia 6600GT, AMD 3700, and there is a case fan.
>> Can someone tell me which fan is probably the culprit ??
>
>Your diagnoses is probably correct - fans do tend to fail after a while. It
>could be the CPU fan, the motherboard chipset fan, the graphics card fan,
>the system exhaust fan, the PSU fan. No way for us to tell
>
>Take the side or top off your case and turn on the system and have a
>listen - you should easily be able to see which fan is failing. Come back to
>us for more help if you need it, but basically find the broken/failing fan
>and get it replaced as soon as possible - a component that needs a fan
>shouldn't be run without one for very long at all, I'm talking maybe 10-20
>seconds!
>
>

Thanks for the quick responses. I'm not very handy and this is my primary
system. I do have "ASUS Probe" which monitors fan speeds, etc and all the
fans are working. I'll take the box in and have it fixed.
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GT

External


Since: Jul 13, 2005
Posts: 637



(Msg. 6) Posted: Tue Jan 29, 2008 12:04 pm
Post subject: Re: Boot Up Fan Noise [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"Goff" <gstarring RemoveThis @gmail.com> wrote in message
news:R_Gnj.32766$X56.26136@fe06.news.easynews.com...
> In article <479f36b3$0$20464$c3e8da3@news.astraweb.com>,
> ContactGT_remove_ RemoveThis @hotmail.com says...
>>
>>
>>"Goff" <gstarring RemoveThis @gmail.com> wrote in message
>>news:UjGnj.15347$X76.7881@fe08.news.easynews.com...
>>> Immediately after "Post", I get very loud fan noise. The system is
>>> about
>>> a
>>> year old using a NVidia 6600GT, AMD 3700, and there is a case fan.
>>> Can someone tell me which fan is probably the culprit ??
>>
>>Your diagnoses is probably correct - fans do tend to fail after a while.
>>It
>>could be the CPU fan, the motherboard chipset fan, the graphics card fan,
>>the system exhaust fan, the PSU fan. No way for us to tell
>>
>>Take the side or top off your case and turn on the system and have a
>>listen - you should easily be able to see which fan is failing. Come back
>>to
>>us for more help if you need it, but basically find the broken/failing fan
>>and get it replaced as soon as possible - a component that needs a fan
>>shouldn't be run without one for very long at all, I'm talking maybe 10-20
>>seconds!
>>
>
> Thanks for the quick responses. I'm not very handy and this is my primary
> system. I do have "ASUS Probe" which monitors fan speeds, etc and all the
> fans are working. I'll take the box in and have it fixed.

The noise is probably the fan spinning badly and about to fail. Don't be put
off by the unknown - opening the case does no harm to anything and when you
are in there you will see how simple things are - it looks scary at first
because you can see the motherboard, but its just like leggo - everything
fits in just one place. It will work perfectly well with the lid off the
case while you have a look. The only 2 fans that might be difficult to
change are the motherboard fan and the graphics card fan, so why not just
pop the lid off and have a look? A new fan would only set you back a few
pounds (or dollars), but taking it to a repair shop will set you back loads
as they will charge inspection fees, labour etc. etc.
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tpow

External


Since: Jan 18, 2008
Posts: 25



(Msg. 7) Posted: Tue Jan 29, 2008 12:04 pm
Post subject: Re: Boot Up Fan Noise [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"GT" <ContactGT_remove_ RemoveThis @hotmail.com> wrote in message
news:021019d8$0$21144$c3e8da3@news.astraweb.com...
> "Goff" <gstarring RemoveThis @gmail.com> wrote in message
> news:R_Gnj.32766$X56.26136@fe06.news.easynews.com...
>> In article <479f36b3$0$20464$c3e8da3@news.astraweb.com>,
>> ContactGT_remove_ RemoveThis @hotmail.com says...
>>>
>>>
>>>"Goff" <gstarring RemoveThis @gmail.com> wrote in message
>>>news:UjGnj.15347$X76.7881@fe08.news.easynews.com...
>>>> Immediately after "Post", I get very loud fan noise. The system is
>>>> about
>>>> a
>>>> year old using a NVidia 6600GT, AMD 3700, and there is a case fan.
>>>> Can someone tell me which fan is probably the culprit ??
>>>
>>>Your diagnoses is probably correct - fans do tend to fail after a while.
>>>It
>>>could be the CPU fan, the motherboard chipset fan, the graphics card fan,
>>>the system exhaust fan, the PSU fan. No way for us to tell
>>>
>>>Take the side or top off your case and turn on the system and have a
>>>listen - you should easily be able to see which fan is failing. Come back
>>>to
>>>us for more help if you need it, but basically find the broken/failing
>>>fan
>>>and get it replaced as soon as possible - a component that needs a fan
>>>shouldn't be run without one for very long at all, I'm talking maybe
>>>10-20
>>>seconds!
>>>
>>
>> Thanks for the quick responses. I'm not very handy and this is my
>> primary
>> system. I do have "ASUS Probe" which monitors fan speeds, etc and all
>> the
>> fans are working. I'll take the box in and have it fixed.
>
> The noise is probably the fan spinning badly and about to fail. Don't be
> put off by the unknown - opening the case does no harm to anything and
> when you are in there you will see how simple things are - it looks scary
> at first because you can see the motherboard, but its just like leggo -
> everything fits in just one place. It will work perfectly well with the
> lid off the case while you have a look. The only 2 fans that might be
> difficult to change are the motherboard fan and the graphics card fan, so
> why not just pop the lid off and have a look? A new fan would only set you
> back a few pounds (or dollars), but taking it to a repair shop will set
> you back loads as they will charge inspection fees, labour etc. etc.
>

while also removing the expensive bits and dropping in cheap
bits..........TV Watchdog had a good example of this.
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Calab

External


Since: Dec 12, 2007
Posts: 51



(Msg. 8) Posted: Tue Jan 29, 2008 12:04 pm
Post subject: Re: Boot Up Fan Noise [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

"Goff" <gstarring.TakeThisOut@gmail.com> wrote in message
news:UjGnj.15347$X76.7881@fe08.news.easynews.com...
> Immediately after "Post", I get very loud fan noise. The system is about
> a
> year old using a NVidia 6600GT, AMD 3700, and there is a case fan.
> Can someone tell me which fan is probably the culprit ??

Just stick your finger into the fan to figure out which is causing the
noise... Just do it at the center hub of the fan and you'll be fine.
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Joel

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Since: Oct 13, 2006
Posts: 166



(Msg. 9) Posted: Tue Jan 29, 2008 12:04 pm
Post subject: Re: Boot Up Fan Noise [Login to view extended thread Info.]
Imported from groups: per prev. post (more info?)

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Strobe

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Since: Dec 23, 2006
Posts: 35



(Msg. 10) Posted: Tue Jan 29, 2008 1:07 pm
Post subject: Re: Boot Up Fan Noise [Login to view extended thread Info.]
Imported from groups: per prev. post (more info?)

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Goff

External


Since: Jan 29, 2008
Posts: 12



(Msg. 11) Posted: Tue Jan 29, 2008 2:04 pm
Post subject: Re: Boot Up Fan Noise [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

In article <c%Hnj.21779$4w.16821@pd7urf2no>, myspam.TakeThisOut@csd.ca says...
>
>
>
>"Goff" <gstarring.TakeThisOut@gmail.com> wrote in message
>news:UjGnj.15347$X76.7881@fe08.news.easynews.com...
>> Immediately after "Post", I get very loud fan noise. The system is about
>> a
>> year old using a NVidia 6600GT, AMD 3700, and there is a case fan.
>> Can someone tell me which fan is probably the culprit ??
>
>Just stick your finger into the fan to figure out which is causing the
>noise... Just do it at the center hub of the fan and you'll be fine.
>
>
Much easier, and safer, to use a short rubber hose with one end by your ear
and the other near the offending part.
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Goff

External


Since: Jan 29, 2008
Posts: 12



(Msg. 12) Posted: Tue Jan 29, 2008 4:04 pm
Post subject: Re: Boot Up Fan Noise [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

In article <fdqup3d88k55pe6bdorhs3if809fp4j5v9 RemoveThis @4ax.com>,
Strobe RemoveThis @nyc.Beep!Beep!.com says...
>
>
>On Tue, 29 Jan 2008 14:00:20 GMT, Goff <gstarring RemoveThis @gmail.com> wrote:
>
>>Immediately after "Post", I get very loud fan noise. The system is about a
>>year old using a NVidia 6600GT, AMD 3700, and there is a case fan.
>>Can someone tell me which fan is probably the culprit ??
>
>My kid's system does the same thing.
>He tells me it's because the driver software to throttle the fan speed is not
>yet running - the sound sudenly drops a lot as Windows finishes loading.
>
>Basically - it's normal.
>Think of it as a useful confirmation that the fan is operational!
>

I would agree except mine will start making the noise for a short period after
running for several hours. Boot up noise always happens, later on very
sporadic.
Assuming one or more fans are kaput, can someone recommend a high quality
brand of fans to look at ?? Oh, BTW, the case is an "Ultra"
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Goff

External


Since: Jan 29, 2008
Posts: 12



(Msg. 13) Posted: Tue Jan 29, 2008 4:04 pm
Post subject: Re: Boot Up Fan Noise [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

In article <OSKnj.34316$X56.11878@fe06.news.easynews.com>,
gstarring.DeleteThis@gmail.com says...
>
>
>In article <fdqup3d88k55pe6bdorhs3if809fp4j5v9.DeleteThis@4ax.com>,
>Strobe@nyc.Beep!Beep!.com says...
>>
>>
>>On Tue, 29 Jan 2008 14:00:20 GMT, Goff <gstarring.DeleteThis@gmail.com> wrote:
>>
>>>Immediately after "Post", I get very loud fan noise. The system is about a
>>>year old using a NVidia 6600GT, AMD 3700, and there is a case fan.
>>>Can someone tell me which fan is probably the culprit ??
>>
>>My kid's system does the same thing.
>>He tells me it's because the driver software to throttle the fan speed is not
>>yet running - the sound sudenly drops a lot as Windows finishes loading.
>>
>>Basically - it's normal.
>>Think of it as a useful confirmation that the fan is operational!
>>
>
>I would agree except mine will start making the noise for a short period after
>running for several hours. Boot up noise always happens, later on very
>sporadic.
>Assuming one or more fans are kaput, can someone recommend a high quality
>brand of fans to look at ?? Oh, BTW, the case is an "Ultra"
>

Just an update. The system has been running for five hours and the noise just
started again. Noticed the "chassis" fan speed went from 2500 down to 1800.
Not sure if this meaningful in any way.
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Goff

External


Since: Jan 29, 2008
Posts: 12



(Msg. 14) Posted: Tue Jan 29, 2008 4:04 pm
Post subject: Re: Boot Up Fan Noise [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

In article <F_Knj.12155$Ib6.3264@fe03.news.easynews.com>,
gstarring DeleteThis @gmail.com says...
>
>
>In article <OSKnj.34316$X56.11878@fe06.news.easynews.com>,
>gstarring@gmail.com says...
>>
>>
>>In article <fdqup3d88k55pe6bdorhs3if809fp4j5v9 DeleteThis @4ax.com>,
>>Strobe@nyc.Beep!Beep!.com says...
>>>
>>>
>>>On Tue, 29 Jan 2008 14:00:20 GMT, Goff <gstarring DeleteThis @gmail.com> wrote:
>>>
>>>>Immediately after "Post", I get very loud fan noise. The system is about a
>>>>year old using a NVidia 6600GT, AMD 3700, and there is a case fan.
>>>>Can someone tell me which fan is probably the culprit ??
>>>
>>>My kid's system does the same thing.
>>>He tells me it's because the driver software to throttle the fan speed is not
>>>yet running - the sound sudenly drops a lot as Windows finishes loading.
>>>
>>>Basically - it's normal.
>>>Think of it as a useful confirmation that the fan is operational!
>>>
>>
>>I would agree except mine will start making the noise for a short period after
>>running for several hours. Boot up noise always happens, later on very
>>sporadic.
>>Assuming one or more fans are kaput, can someone recommend a high
quality
>>brand of fans to look at ?? Oh, BTW, the case is an "Ultra"
>>
>
>Just an update. The system has been running for five hours and the noise just
>started again. Noticed the "chassis" fan speed went from 2500 down to 1800.
>Not sure if this meaningful in any way.
It gets stranger. After ten minutes of noise, and the "chassis" fan running at
1800rpm, it moved back up to 2600rpm and the noise went away.
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Paul57

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Since: Oct 09, 2004
Posts: 2479



(Msg. 15) Posted: Tue Jan 29, 2008 4:04 pm
Post subject: Re: Boot Up Fan Noise [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)

Goff wrote:

>>
>
> Just an update. The system has been running for five hours and the noise just
> started again. Noticed the "chassis" fan speed went from 2500 down to 1800.
> Not sure if this meaningful in any way.
>

Sure. If the bearing is eccentric, or sloppy, and the rotor starts to wobble, the
RPMs would drop, and you'd hear more noise from the fan.

I press on the hub (the very center of the blade), to identify a fan
that wobbles. But you have to take the side off the case, to test
all the fans.

Since you've seen the chassis fan speed drop, now all that you need
to do, is identify which fan is connected to the "chassis" fan header
on the motherboard.

If you were thinking of touching the fan power connector, while the
system is running, I wouldn't do that. If the fan wiring needs to be
modified, shut down the system and deal with the wiring changes with
the power off. The fan header is not well designed, to prevent expensive
accidents.

Paul
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