Question about Dell (6F858) Cooling Fan

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I'm upgrading my celron with a pentium. trying to find best cooling.the case fan and shroud method dell uses seems weak?

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Go to newegg.com

Posted on Mar 21, 2011

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My dell inspiron laptop produces howling


I believe the problem may be the cooling fan, of the Fan Assembly.

Dirt, dust, hair, food crumbs, lint, you name it, can be drawn up into the laptop by this fan.
This can cause a strain on the fan's bearings.

It could also be that the fan's bearings have simply failed. They are dry, hence the occasional howling noise.

The method is to open the laptop, and physically check the fan.

Dell Support > Inspiron 5100 Notebook PC > Service Manual,

http://support.dell.com/support/edocs/systems/ins5100/en/sm/index.htm

FIRST thing;
FOLLOW Anti-Static Precautions.

Anti-Static Precautions:
Your body carries Static electricity. Static WILL fry out (Short Circuit), the delicate hardware components inside a computer.

Suggest wear an ESD wrist strap, and connect it's alligator clip to a good ground source. (Electro Static Discharge)

Basic example of an ESD wrist strap,

http://www.radioshack.com/product/index.jsp?productId=2103245

[ I connect to an unpainted surface, of the metal frame of an open, empty desktop computer case. Just one example ]

On the Dell Support > Service Manual page, click on -
Microprocessor Thermal-Cooling Assembly

This shows the Fan Assembly. It is connected to the Microprocessor Thermal-Cooling Assembly.

Another view of the Fan Assembly,

http://www.brilliantstore.com/laptop-cooling-pad-dell-cpa-1606.html

View of the Microprocessor Thermal-Cooling Assembly, with the Fan Assembly,

http://www.laptopbattery-usa.com/dell-inspiron-1100-5100-5150-laptop-cpu-cooling-fan-p-1238.html?zenid=okh2t54jgsg369stoj7gipf3k5

See the 4 screws sticking up, and the squarish metal plate they go down in?
This plate sits on top of the Processor.

The two curved slightly flattened copper pipes, are Cooling Tubes.
They are sealed on both ends, and are filled with Nitrogen.

They attach to the squarish metal plate, that sits on top of the Processor, and the other end of them goes to a Heatsink.

This cannot be seen in the photo.
The Heatsink is a rectangular finned object.
Has Tall, Thin, fins.

Heat is absorbed from the Processor, by the squarish metal plate sitting on top of it.The Cooling Tubes then absorb the heat from the squarish metal plate.

Heat is then transferred along the Cooling Tubes, to the Heatsink.
The Heatsink absorbs the heat, then radiates it away with it's fins.
Air from the Fan Assembly, helps carry heat away from the Heatsink fins.

The Fan's blades, center hub, and surrounding cage, (Shroud), must be clean. If the fan's blades are dirty, the result could be an unbalanced fan.

Makes the fan tilt to one side, and possibly scrape the blades on the Shroud.
Also over time the dirt, dust, etc, can cause the Fan's bearings to fail.

Gently see if you can move the Fan up, and down. Gently grab a blade of the Fan, and see if you can move the Fan. You will know if the Fan's blades have too much movement up, and down. (Or tilt to the side)

If the Fan is bad, (Bearings), see if you can buy just the Fan, and replace it.
If not you may wish to replace the entire Microprocessor Thermal-Cooling Assembly.

Should this be the case post back in a Comment.
I need to guide you in proper replacement.

[ You need to Thoroughly clean the top of the Processor, and the bottom of the squarish metal plate that sits on it.
Then Thermal Paste needs to be Properly applied, and the 4 screws tightened down in a sequence ]

Regards,
joecoolvette

Apr 24, 2012 | Dell Inspiron 5100 Notebook

1 Answer

I have a Dell Optiplex sx 280 desktop that has cooling fans that seem to be running too fast. I tried to upgrade the CPU but the one that I put in was not compatable and I put the original back in along...


Download Speedfan and check your internal temperatures while you are running. A high core temp might mean dust build up on cooling fins and/or case vents, an improperly installed heat sink, or poor case air flow. Just to name a few.

Mar 05, 2011 | Computers & Internet

2 Answers

How do you replace the cooling fan of the Dell dimension 2400 desktop computer?


To replace the cooling fan follow these steps:-


You will notice that replacing the fan is not specifically mentioned, but it should be fairly easy.


Open the case as noted in the instructions, follow the power wire from the fan to the motherboard, then unplug the connector from the motherboard, and remove the assembly.


Some of the earlier fan shrouds just lift up and out, but others have tabs to hold them in.


Regarding the fan, there might be two release levers accessible from inside the case, but the one by the PSU can be hard to reach.


It might easier to push the retaining tabs, in from outside, using a small screwdriver, pen or whatever.


The installation of the new fan, is just a matter of fixing the new one in place and connecting the cable.

Good luck, and do rate the solution if got help

Dec 02, 2010 | Dell Dimension 2400 PC Desktop

1 Answer

NO DIAGNOSTIC LEDS LIGHT UP


This problem has repeatedly been reported with this model and the 4800. People will tell you it's the power supply, motherboard and CPU. It is none of those. Your CPU cooling tower has been jarred loose. Dell made these things way too big, and as a result a simple bump to your case can make everything go crazy. Remove your fan shroud, then the fan then the cooling tower, cleaning each as you go.
Now remove the large cooling tower. Remove, clean and reseat your CPU, add NEW thermal paste and reassemble everything and keep the PC on it's side. The system should now be able to reboot. In extreme cases of jarring such as the PC has been dropped etc, your motherboard may have been damaged. In this situation it is best to buy a new motherboard and transfer all your components to the new board. So far, I haven't had to do this though. Most of these PC's come back to life easily with the steps I just mentioned above.

Aug 30, 2010 | Dell Dimension 4700 PC Desktop

1 Answer

I have had my dell for about 6yrs, I need to replace both cooling fans and don`t know what to order!


Can't point you towards a specific model of fan or fans without knowing your specific Dell model.. BUT luckily there are standard sizes for cooling fans - quite a few sizes - but since we're talking about a 6 yr old Dell, well that narrows it down a little bit. Here's what you should do first: take a plain old ruler that measures in millimeters/centimeters and take a measurement of one of the sides on each existing fan (don't measure corner-to-corner). Your ruler will be easiest to read in centimeters but most fans are sized in millimeters until they start to hit 120mm and above. Most cooling fans are the same but there are two main jobs they've got to perform: cooling the case, or tower... and cooling the CPU, or processor. Case fans are straightforward and typically measure either 80mm or 120mm, and as I'm sure you're aware, are responsible for exhausting warm air. Let me guess -- is there a dusty green shroud that covers the processor and its cooling fan? Maybe not -- but most of the time these guys were present in 2004-era Dells (as well as today) - and the case fan would sit at the very back and pull air through. (Is the case fan attached using rubber cone fasteners? Yeah if thats the deal then those are toast, unless you're a surgeon for your day job). The rubber plugs are for noise isolation (and cost cutting) but not to worry -- your new case fan will be the strong silent type. Dell probably has a smaller Foxconn or JMC fan sitting on top of a heat sink, which is contacting the CPU (Pentium 4?). That size will probably be 50mm but my recommendation would be to determine what socket type you're using -- and with this information, you can just purchase a new modern CPU cooler (heat sink and integrated fan, maybe copper heat spreaders, yada yada). ---If you're comfortable enough to switch out fans then you can handle a Pentium cooler switcheroo.--- (An instruction manual would be supplied, btw). But you'd just pop the bracket or clips securing the heat sink to the CPU, pull it up and outta there, wipe off the exposed CPU surface with a dry microfiber -- or use wadding polish like Eagle Nevr-Dull and THEN use the microfiber, apply PEA-SIZED drop of thermal paste to surface of processor (paste comes with the cooler), clip on said cooler, and open beer. Here are some links to go look at... (there are literally trillions of online merchants selling compustuff) -- newegg.com is always a good one of course due to great cust svc and practically next-day "ground" shipping; for in-person purchasing, you can't beat Micro Center (microcenter.com), but they may not have a store nearby. Check these guys out - I've used them for Dell-specific parts before and I like how you can search for components based on socket type, processor model, etc... http://www.directron.com/cpu---coolers-cpu-coolers.html This page will list a bunch of socket types from which to choose -- and if you're using a Pentium 4 on a 2004 or 2005 Dimension, for example, you'd probably want to click the Socket 478. If you're unsure, go to support.dell.com and plug in your service tag and pull your orig specs.
(Complete alternative: Dell Outlet Store... refurbished Core2Duo or Core2Quad with 4GB dual-channel memory, or hey I'll build you a 10-year future proof system - you pick the case design - for less $$ and will make Dell's cookie cutter systems look like.. well, cookie cutter systems.) Bestoluck!

Jul 21, 2010 | Dell (6F858) Cooling Fan

1 Answer

How do i replace the radiaor? on this 2005 Hyundai do i remove the intake cover, then the cooling fan, the the motor mount? what?


Below are instructions and a diagram for removing the radiator from your Santa Fe. There's nothing involving the motor mounts. Best of luck and please post back with any questions or just to rate the solution. Greg

  1. Drain the cooling system. Remove the radiator cap to speed draining.
  2. Remove the inlet hose from the radiator.
  3. Remove the transmission oil cooler lines from the retainer clip at the bottom of the cooling fan shroud.
  4. Remove the fan shroud clip from the condenser tubes.
  5. Remove the bolt that connects the fan shroud to the condenser hold down bracket.
  6. Remove the air deflectors from the top of the radiator.
  7. Remove the cooling fan shroud bolts.
  8. Remove the coolant reservoir hose from the radiator overflow neck.
  9. Remove the radiator upper support brackets and bolts that connect to the fan shroud.
  10. Disconnect the engine cooling fan motors electrical connectors.
  11. Remove the cooling fan motors electrical harness from the fan shroud clips.
  12. Remove the cooling fan shroud.
  13. Remove the outlet hose from the radiator.
  14. Disconnect the transaxle oil cooler pipes from the radiator.
  15. Tilt the top of the radiator rearward.
  16. Remove the condenser hold down bracket from the radiator.
  17. Lift the condenser from the mounting tabs on the radiator and position the condenser aside.
  18. Remove the radiator.
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Aug 11, 2009 | 2005 Hyundai Santa Fe

1 Answer

How do I remove the fan shroud from a dell dimension 8300?


there are two clips one on the top and one at the bottom u have to press both the clips and open the shroud.

Jun 07, 2009 | Dell Dimension 8300 PC Desktop

1 Answer

Dell Optiplex GX240 performance problem and fan noise


The fans on Dell power supplies are rather noisy and prone to failure. Find out if the noisy fan is inside the case or inside the power supply. If your computer has become slow you should scan for viruses and spyware. If the scan does not improve things it may be time for an upgrade.

The GX240 only supports up to 1 gigabyte of RAM, you should have the maximum installed. I would not spend more than $50 upgrading this computer, you can find better used ones in the $100-$200 range.

Mar 17, 2009 | Dell OPTIPLEX GX240 P4 1.8GHz 512MB 20GB...

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