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How do I replace a CPU cooling case fan? (Dell

How do I replace a CPU cooling case fan? (Dell Dimension 8250)
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This should be done by a computer expert. If you ground yourself or your system you could fry your hard drive with static. You have to make sure it is replaced with the same exact one or this too will cause problems. You can get some good prices on fans on e-bay just make sure it's not refurbished. Somethings you just can't substitute. Go new. If you ground it properly there's only four bolts typically holding it on. Take out the bolts/screws and unplug lead. If this is new to you, take it somewhere it's worth it not to loose all your info. Let me know if I can help.
JimmyC

Posted on Sep 25, 2009

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Posted on Jan 02, 2017

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3 Answers

How do I remove and replace a CPU cooling fan on my Dell Dimension 2400


Make sure u can open the casing well to expose the interior parts without causing any damage. Then by close look at the processor area , that is where the heat sink is located. Normally the dell dimension 2400 has a green channel shaped structure that acts as a passage for the air that enters in and out for cooling the heat sink. It has a locking parts that slides into the casing back by slight pressing to the back of the casing just behind the processor area, be so observant to notice the locking parts. then the fan is just fixed behind that green " channel like" and its fixed on the rear side of the casing, 25275582-o0cuhlgwrl13okm3u3q5444d-5-0.jpg

Nov 08, 2014 | Dell Dimension 2400 PC Desktop

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My fan died on my Dell Dimension 8250 Desktop. I replaced it, and now my computer isn't recognizing it. Any ideas?


same thing happened to my moms desktop i try 4 differnet fans then had to call dell to find out most of there computers will only take dells stuff, so i got one of theres and it worked for about 3 weeks and then i bought a NON dell computer for my mom

Feb 10, 2011 | Dell Dimension 8250 PC Desktop

1 Answer

My dell dimension 8250 'Sound Blaster Live' will work for a few minutes, then shuts off. If I wait, it comes back again, etc. What's wrong? Thanks.


Thats your system restarting every small minute then the problem lies on your processor or probably your processor fan that is blowing air to your processor stops working and that can cause it not be ok after a short time it will be over heated and have to cut off and restart again what you will have to do is to change the processor fan or probably add a cooling paste on the processor cooling sink or if that persist change the processor.

Mar 06, 2010 | Dell Dimension 8250 PC Desktop

1 Answer

Dell Dimension 8250 ,FAN TOO FAST & Noisy but CPU COOL...


The fan settings can be found in the BIOS. On a Dell machine, when you turn the computer on repeatedly hit F2 until you are brought to the BIOS. Search through there until you find something named Acoustics, change the option to run at a lower level. Remember to save the changes before you exit.

Jan 26, 2010 | Dell Dimension 8250 PC Desktop

1 Answer

Dimension 8250 will not turn on but on button


open cpu cabinet
Refix RAM memory then check.
Pull cmos cell for 10 minutes frommotherbord so all settings defaults.
Also clean dust from all circuit.
Reconnect ATX connector from smps supply to motherbord.
Refix processor fan and processor.

Let me know if you need more assistanse.
Thanks.

Aug 31, 2009 | Dell Dimension 8250 PC Desktop

1 Answer

Cooling fan Dell Dimension 3000


That is the correct way. It is a newer design that keeps the hot air from the CPU heatsink out of the case. 35C is a good temp.

Sep 23, 2008 | Dell (6F858) Cooling Fan

2 Answers

Dell dimension 4700 video card upgrade problem


Be careful with this computer. The cooling system works by blowing air INTO the machine over the cpu then the heat slowly comes out of the holes on the side panel (on the left side of the machine). One reason the text may be blurry is because the video card is heating up too much. This problem is specific to this machine. Most computers have the cooling fan blowing the heat out of the case and not sucking air into the case. On the plus side at least this PC is near silent right? I would know since I own this machine. Amazingly silent it is.

Apr 22, 2008 | Dell Dimension 4700 PC Desktop

1 Answer

CPU cooling fan


Hi...you can press the F2 key to enter setup...and scroll down until the fan is highlited...hit enter and then F10 to save and exit.This tells the computer its OK.
you should have plugged the fan in the same pin port the old fan was in. Usually only 1,.
If the new fan is not from dell..it may be faster and noiser..or it may be faulty..if you bought it locally you may try to return it.
The purpose of the fan of course is to remove the hot air from the CPU to keep it from overheating. If this fan does it it is most likely ok.
Hope this helps..
Squipps

Feb 07, 2008 | Dell Dimension 8200 PC Desktop

1 Answer

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:

http://www.svc.com/case-fans.html

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:

http://www.svc.com/saf-b82-19.html

It's pretty quiet with good airflow.  Also, it has a 3-pin connection, but includes an adapter for a 4-pin connection.

Z

Oct 27, 2007 | Dell (6F858) Cooling Fan

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