can i make it quieter?

Got a Dell Dimension 8100.  It is very loud.  If you look at the back of the box, there are two large fans.  Looks like one is for the Power supply and one is a CPU fan.  It appears to be the Cpu fan that's making the noise.  Is there a way to get a quieter one?  How can I make this quieter?  Any suggestions?  

ps I don't think it's the power supply fan but i'm not 100%.
Thanks!
LakefrontAsked:
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CallandorConnect With a Mentor Commented:
Cpu fans and heatsinks can be replaced by quieter and more efficient ones.  I got a Zalman CNPS7000 Al-Cu (http://www.newegg.com/app/ViewProductDesc.asp?description=35-118-108&depa=0), and it is very quiet; it even has a quiet low speed mode which is inaudible.  It is somewhat large, so you have to be sure there are no obstructions around the cpu socket.

If you have loud case fans, replace them with Panasonic Panaflo fans: http://www.newegg.com/app/viewProductDesc.asp?description=35-180-014&depa=0

The power supply is problematic, because Dell used proprietary connectors that make replacing with a standard ATX power supply difficult, but if you get a converter (http://www.endpcnoise.com/cgi-bin/e/dellconverter.html), you can get a nice, quiet supply fron Enermax or Antec: http://www.newegg.com/app/ViewProductDesc.asp?description=17-103-439&depa=0
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LakefrontAuthor Commented:
Callandor,

Thanks!  Are these the exact parts that work with my Dimension 8100? For example, I found this below.  Does that mean my Dell doesn't need an adapter at all? or it needs a different adapter?


Pentium 4 Dell Models that are not compatible with this power supply adapter:
Dell Dimension 8100
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CallandorCommented:
It seems the 8100 specifically is not compatible: it is listed separately from the other models that don't need the adapter, and this other site also says it is the exception: http://209.47.233.50/acb/showdetl.cfm?&User_ID=308405&St=3667&St2=71507199&St3=-52571910&DS_ID=4&Product_ID=33&DID=8

Sorry for the misdirection, it looks like you can't change the 8100 power supply with a standard one.
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LakefrontAuthor Commented:
So I can't change the 8100 power supply at all?
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CallandorCommented:
Only with a Dell-supplied replacement.  If you could ascertain the pinouts, it would be pretty easy to replace.

Dell power connector pinouts
http://www.upgradingandrepairingpcs.com/articles/upgrade3_01_01.asp
http://www.informit.com/articles/article.asp?p=31105&seqNum=4
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CallandorCommented:
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