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Cant get fan off to clean the blocked fin's on the heatsink

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Asus m32 loud fan

Fan speed does increase for a reason.....heat. Check you BIOS settings and verify that the CPU temp is not getting too high. Desktop computers are dirt magnets. It is common for the CPU heatsink to get clogged with dust and dirt. This will reduce cooling and increase heat, eventually to the point that the fan will speed up. Get some electronic duster (canned air) and blow out the fins on the CPU heatsink. DO NOT remove the heatsink from the CPU. There is a special compound that is on the heatsink surface that allows proper heat transfer from the CPU. Removing the heatsink means that this compound is disturbed and would need replaced. Most users do not have this compound and thus should not remove the heatsink to clean. If the heatsink is so clogged that you cannot get the dirt out with canned air, you may be able to remove the fan from the heatsink, depending on the fan/heatsink design. Then you can use a brush to get into the fins to clean them.

Apr 18, 2015 | ASUS Computers & Internet

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Laptop emachines e725 overheating

Could be simply a blocked CPU vent, clear with a can of compressed air. Make sure Fan is spinning when you power up the PC.

When the fan is spinning place the back of your hand by the Vent you should feel hot air. If you feel cold air the CPU heatsink may need to be reseated with fresh thermal paste. Worst scenario is the Heatsing has Failed and needs replacing.

If the Fan is not spinning it may have failed or a lump of fluff has jammed it

Mar 01, 2013 | Acer eMachines E7254520 Notebook PC

2 Answers

Prosessar fan fast problem not a disply. what is solution?

Open the case clean Fans if necessary. You didn't supply the Make, Model of computer or the OS?

Feb 01, 2013 | Computers & Internet

1 Answer

Fans keep running high speed on the E210882 motherboard

This may be because the system is running too hot. The fan sits on top of the heatsink which cools the processor. If the heatsink is blocked with dust, the fan will be working harder trying to blow air through the heatsink fins to cool the processor. Open the case and check that the heatsink is clear of dust.

Apr 02, 2012 | Gateway Computers & Internet

2 Answers

Samsung R519 shuts down unexpectadly

Suspect Samsung R519 is dirty inside.

The cooling system for the Samsung R519 is the Cooling Tube, Heatsink, and Fan Assembly.

The Fan Assembly consists of a Fan, and surrounding cage. (Shroud)

The Heatsink is a thin piece of metal, that has Tall, Thin, fins protruding from it.

The fan's blades, center hub, and surrounding cage may become clogged with 'Gunk'
{'Gunk' = Dirt, dust, hair, food crumbs, lint, etc}

The fins of the Heatsink may become clogged. In-between the fins, and all over the fins.

{ The Heatsink absorbs heat. It then radiates the heat way through the Tall, Thin, fins }

When a Processor overheats, (Surpasses it's Thermal Limit), it turns off.
(BIOS turns it off)
This is a fail safe feature built in. Keeps the Processor from burning up.

With the cooling system being clogged, the Processor overheats.

Solution is to clean the laptop THOROUGHLY. I don't believe at this time a can of compressed air for computers, blo-wing air from the outside, will help.

It will just push the 'Gunk' in tighter.

The laptop needs to be disassembled, and thoroughly cleaned out.
It may, or may not need new Thermal Paste for the Processor, and graphics chipset.

(If the laptop has been cleaned recently, and has this problem, it's because the 'tech' probably didn't replace the Thermal Paste.
Thermal Paste will dry up over time, and lose it's thermal conductivity properties )

Do you wish to attempt this cleaning procedure yourself?
If so post back in a Comment, and prepare for a LOT of reading.

(The R520 is VERY similar )

The above is for a Samsung X20. Posted, because I would like you to look at the last photo on the page. Here you see an average finned Heatsink, and the 'Gunk' it can collect.


Feb 12, 2012 | Samsung R519-53S Notebook

2 Answers

Toshiba Satellite L500D is shutting down by itself OVERHEATING Clean the fan with compress Air ....> NO GO Need help Please or Any other Suggestion

Disassemble the laptop and remove the heatsink.
Remove all the dried up heatsink goo that's on the heatsink and processor.
Squeeze a small amount of QuickSilver heatsink compound onto the middle of the processor top.
Place the heatsink on the processor and move it in a couple small circles before locking the processor heatsink back in place.
Clean the air vents and cooling fins well while the unit is open.
This should fix any overheating issues you are having (assuming the fan is OK)
If the fan isn't running, replace it.

Jun 24, 2011 | Computers & Internet

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My laptop keeps overheating. I have tried disabling a lot startup programs and deleting files. Can you please help me with this?

You didn't mention what make and model laptop you have but here is a general solution. Laptop overheating issues almost always involve fan blockage, or a bad (non-functional) fan. Some are easier to access than others. Look at your laptop and see if you have access from the bottom. You could possibly even access by removing the keyboard. IF you can access the fan you should clean out any lint or dust that is causing blockage of airflow (some dis-assembly may be required). KEEP IN MIND that if you remove the fan heatsink assembly you will need to re-apply thermal paste or compound to the area between the CPU and heatsink.
My guess is you will find that you have a strip of lint blocking the airflow between the exhaust of the fan and the heatsink fins.

Apr 28, 2011 | Computers & Internet

1 Answer

What is a common problem associated with desktop computers?

Number 1.

Power Supply failure.

TOP problem.

Also a Power Supply failing, can emulate issues that seem software related.
Doubt that your computer professor will know this, however.

(Can also be a bad Power On switch. The diagnosis should include testing both the Power On switch, and the Power Supply, by bypassing the Power On switch.

This is done with a jumper wire on the Soft Power On wire, {PS_ON. Green in color}, to ANY Ground wire, (Black in color), in the ATX {20 or 24-pin} main power cable connector.

Example of 24-pin ATX main power cable, and it's respective connector,

Bypassing the Power On switch turns the Power Supply on?
Problem is a bad Power On switch.
Bypassing the Power On switch does Not turn the Power Supply on?
Problem is a bad Power Supply)

Number 2 most rated problem, is the computer is dirty inside, as well as the inside of the Power Supply.

Most users are seemingly not aware, that the inside of a computer should be cleaned on a regular basis as needed.

Many may be timid in cleaning the inside of their computer.

Computer unplugged from power, Anti-Static Precautions observed, a can or two of compressed air for computers, could easily eliminate this problem.

Heatsink for the Processor is coated with 'Gunk'?
The Processor overheats, and BIOS turns the Processor off.

Same thing with the fan used to cool the Processor.
Whether it is a fan mounted directly on top of the Heatsink, or a computer case fan pushing air through a plastic shroud to the Heatsink.

Power Supply, (SMPS), cooling components.
This is the internal fan mounted at the back of the Power Supply's case, and the Heatsink's used inside the Power Supply.

[Basic construction of a Heatsink, is a plate of metal with tall, thin fins protruding from it.

The plate of metal absorbs heat from whatever object it is placed against, (Via a thin layer of thermal paste), and the fins absorb the heat from the plate.

The fins then radiate the heat away.
If a fan is used in conjunction with a Heatsink, the flow of air from the fan helps to dissipate heat away from the fins.
(Such examples would be a Processor's heatsink, and the heatsink's used in a Power Supply)

Sep 13, 2010 | Computers & Internet

1 Answer

My laptop is very hot avery time and fan sounding is my problems

Your fan could be faulty. Check the fan it should spin freely, if replace the fan You could have dust blocking the heatsink fins and or the fan. Loosen the dust from the fan and heatsink fins etc. clean and vacuum the dust off.

Jun 06, 2009 | Dell Computers & Internet

1 Answer


You could have dust blocking the heatsink fins and or the fan.
Loosen the dust etc. clean and vacuum the dust off.

Did you overclock your system? If so you need to restore it back to the original settings.

May 17, 2009 | Acer Aspire 1703SC Notebook

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