Gx280 LOUD FAN sounds like a jet fighter!

July 18, 2014 at 15:07:34
Specs: Windows 7, P4 3.2GZH / 4 gig
I also got a gx280 and it also sounds like a jet fighter ready for take off! Its CLEAN inside. I have a excellent vacuum cleaner which can go from suck to blow and I blew out everything in it when I got the thing. Ive changed power supplies and its still loud as F$#@. Its not dirty. I got cooling paste on my processor , so its not over heating. Ive also downloaded a program that lets you set the speed at which the fan runs and it doesn't help at all. Im tired of having to wear ear plugs or headphone with my music up loud to drown out the noise. I know it bothers other people in the home. A real answer on why this happens would be nice but all these second rate techs say is "clean the computer of dust". There is no dust no dirt. I'm a neat freak and its sparkling clean inside. There has got to be a setting or jumper on the M-B to take it out of Jet Fighter Mode. I have researched this and some people with the Optiplex gx280 is quiet and some are incredibly loud. The 280 was recalled for capacitors swelling up and going bad. Ive had to replace my M-B 3 times due to this. Normal running temperature is 37c. I have upgraded the ram and cpu and still the same problem.

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#1
July 18, 2014 at 15:42:09
Can you pinpoint exactly where the noise is coming from?

You can sometimes manually adjust what speed your system fans run at through BIOS. Check your manual on how to do this, or use the PDF below.

ftp://ftp.dell.com/Manuals/all-products/esuprt_desktop/esuprt_optiplex_desktop/optiplex-gx280_user%27s%20guide_en-us.pdf

User Info Page Biography for full specs.


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#2
July 18, 2014 at 16:20:01
Yes indeed, make absolutely certain the noise comes from the fan.

Could be a dry fan bearing. Some have an end sticker which can be removed and a drop of thin oil applied. I had one that ran quietly for years after doing this. If necessary they are not expensive to replace.

Always pop back and let us know the outcome - thanks

message edited by Derek


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#3
July 18, 2014 at 16:43:12
When checking for fan noise, don't forget the PSU fan.

I have had some of the larger fans inherently noisy & using a different brand was the only solution.

Quiet noisy computer fans with a drop of oil
http://www.techrepublic.com/article...
http://www.bleepingcomputer.com/for...
Clean & oil computer fans
http://is.gd/v2OMTO


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Related Solutions

#4
July 18, 2014 at 20:33:32
If it's not the PSU fan then it must be another one. With the case cover off and the computer running you can use your finger to temporarily stop a fan from spinning. (Don't use a screwdriver blade or anything similar as that can break the fan blade.) If the noise stops then you've found the bad one. Then you replace it with a new one.

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#5
July 19, 2014 at 02:30:58
While I am aware you would like to repair the noisy fan I am a big fan (hmmm) of the noctua brand.

I bought some a few years ago and they have since migrated across three systems.


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#6
July 19, 2014 at 02:53:41
The heat sink and blower assembly , according to that pdf file. And the name "Blower" sounds like that is it. It blows way to loud. its not a squeak or little fan spinning.

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#7
July 19, 2014 at 17:42:34
Just for info when I cured fan noise by lubrication the thing had previously sounded like a washing machine.

Always pop back and let us know the outcome - thanks


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#8
July 19, 2014 at 21:16:57
I used to have one of those washing machines. The Maytag I have now is as quiet as a new computer.

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#9
July 19, 2014 at 21:42:00
I've got a hot swap bay with a fan that sounds like a washing machine that is on the spin cycle. I think I will add a drop of oil for hair clippers in it.

Excellent suggestion.

It's only a small fan too but very loud. Looks proprietary though otherwise I would have swapped it out. Much better solution to oil it.


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