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SuperHero
Joined: 10 Dec 2003
Location: Superhero Hideout
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 Posted: Mon Jul 19, 2004 4:55 am Post subject: Noisy computer fan |
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I just bought a new computer and the fans incredibly noisy. I googled and got a suggestion to use a 3 in 1 oil, I also saw something about noise reduction foam for lining the case.
Which do you think is best or would you suggest something else? |
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wylde
Joined: 14 Apr 2003
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| Posted: Mon Jul 19, 2004 5:26 am Post subject: |
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replace it..
not up to date on this stuff but a new fan should set you back about 10 bucks..
is it the cpu fan or the power supply fan?
or.. take it back to the seller |
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Demophobe
Joined: 17 May 2004
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| Posted: Mon Jul 19, 2004 6:12 am Post subject: |
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Case fans are about 3,000...OEM cooler fans are about 5,000 and third party graphics fans are about 2,000....I am not talking coolers here, just fans.
Noisy fans die soon. Replace it....lining the case or oiling it are just band-aids....short-term solutions.
That case lining stuff will raise your case temps a lot. |
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jaebea
Joined: 21 Sep 2003
Location: SYD
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| Posted: Mon Jul 19, 2004 6:54 am Post subject: |
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You can probably put forward a case to the bloke who sold you the machine to get a replacement fan. If you can't be stuffed taking the machine in, then you can pick one up.
Demophobe put some good ballpark figures out there.
Make sure you know which fan is the source of the racket. Could be one of the following:
GPU (graphics cards nowdays all have active cooling)
CPU fan
Powersupply fan
Northbridge fan (some mobos will have active cooling on this chip)
Misc case fans
Shouldn't be too hard to figure out.
jae. |
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Gord
Joined: 25 Feb 2003
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| Posted: Mon Jul 19, 2004 6:58 am Post subject: |
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Buy a silent fan for just a few dollars more. Then you can hear the angels sing.
Or you'll hear the CPU fan and power supply fan, in which case you'll want to get a silent power supply for about 30,000 Won, and then a silent CPU fan for about 25,000.
A very good idea especially when you live in a smaller apartment and the computer is on 24/7. |
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Swiss James
Joined: 26 Nov 2003
Location: Shanghai
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| Posted: Mon Jul 19, 2004 5:39 pm Post subject: |
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Are all fans the same then- or would you need to take the case down to Yongsan to get the guys to take a look at it?
I have my PC right at the foot of my bed and want to leave it on 24/7- I wouldn't say it was noisy but you can definitely hear it, and sometimes it bugs me. |
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shawner88
Joined: 01 Feb 2003
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| Posted: Mon Jul 19, 2004 6:46 pm Post subject: |
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| Swiss James wrote: |
Are all fans the same then- or would you need to take the case down to Yongsan to get the guys to take a look at it?
I have my PC right at the foot of my bed and want to leave it on 24/7- I wouldn't say it was noisy but you can definitely hear it, and sometimes it bugs me. |
May sound stupid but when my computer fan bothered me before I used a regular fan to drone the noise. If you're not a believer in fan death, that is. |
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The Lemon
Joined: 11 Jan 2003
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| Posted: Mon Jul 19, 2004 7:11 pm Post subject: |
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| Swiss James wrote: |
| Are all fans the same then- or would you need to take the case down to Yongsan to get the guys to take a look at it? |
They're generally the same. There's some variation on the diameter of case fans, as well as the power connectors (do they connect to the power supply or the mainboard? both exist).
There's also some variation on graphics card fans and their method of mounting to the card.
A failing CPU fan is very dangerous. This is particularly the case for older CPUs that don't shut down automatically before overheating. There are good reasons to replace noisy fans than just the annoyance factor. |
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wylde
Joined: 14 Apr 2003
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| Posted: Mon Jul 19, 2004 8:46 pm Post subject: |
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| The Lemon wrote: |
| A failing CPU fan is very dangerous. This is particularly the case for older CPUs that don't shut down automatically before overheating. There are good reasons to replace noisy fans than just the annoyance factor. |
i had a 486 4/100 that would lock up before i worked out it was the cpu fan.... just how much older are you talking here? |
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Swiss James
Joined: 26 Nov 2003
Location: Shanghai
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| Posted: Mon Jul 19, 2004 9:39 pm Post subject: |
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| Shawner88 wrote: |
| May sound stupid but when my computer fan bothered me before I used a regular fan to drone the noise. If you're not a believer in fan death, that is. |
I do that too, which is why it doesn't bother me too much.
Hey I've just thought though- all PCs have got at least one fan on them, and some two or more. Multiply that by the number of machines in your average PC bang... wouldn't you expect the government to put out some kind of health warning? |
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Demophobe
Joined: 17 May 2004
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| Posted: Mon Jul 19, 2004 9:41 pm Post subject: |
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| Gord wrote: |
Buy a silent fan for just a few dollars more. Then you can hear the angels sing.
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The fans are angels to me! 
Thermal shutdown is a recent thing I believe, in both Intel and AMD camps. I saw that great video of a P3 and an AMD athlon, when the cooler was removed while quake 3 was running....the Athlon melted in seconds...tokk the mainboard with it. The P3 just slowed to a slideshow on the game, but didn't even crash. Then again, peppermint's notebook just went south because of the CPU fan quitting.
Fans range in size (diameter) and speeds. Look at the amps for the fan. .12A is fairly slow, thus quiet. .25A is fast and louder. Larger fans move more air and thus can have a lower RPM to get the same volume out as a smaller, high RPM fan. So, larger fans can be more quiet.
Newer cases have 90mm, or even 120mm fan housings (server cases?). I always cut out the grille in the back of the case where the fan sits...the grille stops a lot of airflow and makes a lot of noise. It also stops you from sticking your fingers in there when fumbling around the back for that elusive USB plug, so beware! |
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The Lemon
Joined: 11 Jan 2003
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| Posted: Tue Jul 20, 2004 12:26 am Post subject: |
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| wylde wrote: |
| The Lemon wrote: |
| A failing CPU fan is very dangerous. This is particularly the case for older CPUs that don't shut down automatically before overheating. There are good reasons to replace noisy fans than just the annoyance factor. |
i had a 486 4/100 that would lock up before i worked out it was the cpu fan.... just how much older are you talking here? |
Not 486 old. Lower-level PentiumI-II era old. I'm the proud owner of a dead Cyrix M-II-300 chip, circa 1998, that was toasted into the great beyond this spring in my parents-in-laws' computer after the fan on top seized up.
486-100s, while hot enough to warrant a heat sink and fan, didn't generate nearly the heat later processors did. Slower 486s didn't even bother with heatsinks and fans. |
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wylde
Joined: 14 Apr 2003
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| Posted: Tue Jul 20, 2004 1:26 am Post subject: |
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i'm just saying... i bought a 486 4/100 a week before i heard anything about the pentium being released.. 
it use to lock up. i took it for repair but they found nothing. 1 day i was stuffing around with the case open and noticed the fan not spinning.. i replaced it (forget the $) and it ran fine..
a few years later the fan on my amd 800 became noisy.. i replaced it for $7 AUD.. i said 10 bucks before just to be safe..
i'm trying not to be picky here but the 486 locked up 50 times before i replaced the fan.. you saying that it couldn't have been hot enough to melt stuff, just hot enough to cause a problem?
about the power supply fan... i just bought a power supply that looks like it belongs on the space shuttle.. cost me megabucks (as far as a power supply goes anyways).. it is silent 
spose i'll have to replace the other fans now too then |
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The Lemon
Joined: 11 Jan 2003
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| Posted: Tue Jul 20, 2004 3:36 am Post subject: |
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| Quote: |
| you saying that it couldn't have been hot enough to melt stuff, just hot enough to cause a problem? |
Basically, yes - just replace "couldn't" with "mightn't". |
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jazblanc77
Joined: 22 Feb 2004
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| Posted: Wed Jul 21, 2004 8:20 am Post subject: |
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| I think I may have fallen victim to a failed CPU fan recently. My laptop has been in the shop for over a week now after serious overheating and a complete meltdown which involved a huge number of blue screens of death, a CPU failure message, and suspicious activities that make me question my RAM and Video card. Typing this from a PC bang, I'm elated! |
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