Question about Dell (Fan Only) M/N AFC0912DE, DC12V, 2.50A, D/N P2780 P2780
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Posted on Jan 02, 2017
SOURCE: Fan Noise on Dell Dimension 8100
All computer fans have a general design. The name in front of "fan" really refers to the designation. You'll see case fan, processor fan, CPU fan, cooling fan, etc. In the case of CPU/Processor fan, some are sold with heatsinks (the metal block sitting on top of your CPU).
The first thing you want to do is make sure the fan is clean. Chances are dust buildup is causing the excess noise.
If that's not the case and you're looking to replace the fan, then you first need to find out the size of the fan. General sizes(diameter X width in mm) are listed on this page:
Generally, you're looking for something that will match the size of what you're replacing & push enough air at a reasonable noise level to cool the heatsink/CPU. You want to stay in the area of 30dBA max for noise. You also want to see if it has a 3-pin or 4-pin connection.
For example, if you have an 80mm fan, I would suggest something like this:
It's pretty quiet with good airflow. Also, it has a 3-pin connection, but includes an adapter for a 4-pin connection.
Posted on Oct 27, 2007
Your fan speeds up and slows down in response to temperature inside the computer. More so the CPU.
I would suggest getting a can of compressed air made for computers
take it outside, take of the side and blow all the gunk out of there, Really go to town around the fan (you might want to wear eye protection)
While you are in there just check that the CPU cooler itself is not loose
If it is it will have to be re-seated.
If it needs re-seating don't just take it off and put it back on as that might make things worse with your temperature problem they have to be cleaned and new thermal grease put on ($2-5)
DON'T remove the CPU just the fan/cooler assembly.
You must clean both the surfaces without scraping anything off. Use isopropynol alcohol and cotton bud sticks until both surfaces are clean, you can use your finger nail to scrape harder residue if you wish but nothing else.
DON'T pour the alcohol over the CPU
Now apply some new thermal grease (most computer shops have it)
Be careful about how much you put on
Here are some basic instructions
Once you have re-assembled your cooler and re-connected it check everything is OK and power up the computer.
If everything went to plan you should now be back in business
Posted on Nov 25, 2009
Check any Online P.C. shop and check the Fan in question details then look for 1 to match, can recommend a good online store if your from the U.K. let me know here...
Posted on Aug 21, 2010
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