> On Sunday 11 December 2005 19:06, Paul M Foster wrote:
>> Throughout the whole time I've been using computers which have fans on
>> their CPUs, I've had a situation where periodically these fans become
>> extremely noisy. It lasts from a few minutes to maybe an hour. I've
>> never mentioned it to anyone, but I can't imagine other people haven't
>> run into it. Is this a common occurrence?
>>
>> Second, is there a _permanent_ solution?
>
> I usually put a drop of vegetable (cooking) oil in it, which works just
> fine.
> I've kept an empty (as far as cooking is concerned) bottle since one only
> need miniscule amounts. (Obviously you need to open up the cover in the
> center of the fan.)
>
> Steve Szmidt
I replace a lot of these in peoples puters. Although the oil trick will work
for a time i find it much easier ( and more profitable)to replace the
factroy sleeve bearing fans with vantec stealth double ball bearing fans.
Although i can replace the usual 60 mm , i try upgrading with 80 mm and even
120mm units with smart fan built in. This lets the fans run at a lower speed
thus lower noise. The bigger fans are rated at the same Db level as the
smaller ones. I usually order a few dozen from directron.com at a time.They
also have all the fan adapters and accessorys available.
The real culprit of noisy fans is dust getting into them causing the shaft
to dry up and start rubbing on the sleeve. By the way never use WD40 to do
this. It will heat up and make things worse.
JamesS
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