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If the fan is noisy and the laptop is running hot, then most likely the fan is faulty and spinning slowly. Therefore the fan is not providing sufficent air flow to cool the laptop's CPU. The fan needs to be replaced and possibly the heatsink assembly needs cleaned to remove dust buildup.

Posted on Jun 25, 2009


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Toshiba l750

to answer your questions, yes it can/will damage hardware and yes, and your in luck there are easy fixes, one is just take some canned air, and blow it out via the vent,
two.... you can open up the panels in the back and take canned air and blow it out that way(do not turn can upside down)
three, replace the fan, it very simple too do, just open the back panel and unscrew the fan out,pull the little plug out and replace, take about 5mins

Jun 17, 2013 | Computers & Internet

1 Answer

GE side by side gss25jepbb not cooling any longer, probably 10-15 years old

HI LISA.getting old.could be a no of things.try these simple checks1-is motor making noise.(compressor).if not is hot?2- condenser is it hot or cold3- any ice at all inside freezer?if yes defrost all and try.(could be defrost timer/heater/t/stat/fan)4-if NOice it could be lack of refrigerant condenser fanmotor.or motor .hope this helps otherwise call engineer.good luck.Ali

Jun 24, 2012 | GE 25.0 Cu. Ft. Side-by-Side Refrigerator...

1 Answer

Loud fan belt type noise from laptop

There are no belts in a computer, sounds like something is rubbing in your computer cooling fan blades, get a can of Duster ( to clean dust from things) and spray the compressed air into all the vent holes to clean out any dust and debris.

May 23, 2010 | Sony VAIO PCG-K35 Notebook

1 Answer

My computer is becoming really hot and noisy. After turning on the computer, everything is good (no noise). Once around 15 minutes passes by or I open up a lot of programs together, my computer starts...

Sounds like the fan is wearing out, as it heats up the fan needs to spin faster and if the bearings are wearing out it will start getting louder and it will also get hotter because the fan cannot keep up the heat being produced. You can replace the fan, most computer shops will carry replacements, also get a can of compressed air and give the inside of the computer a good cleaning. This will help keep things cooler as well. Also make sure that the air vents on the outside of the case are clear as well.

Jan 07, 2010 | Vantec Fan Vibration Dampener Noise...

1 Answer

My Sony Vaio laptop makes a lot of noise mostly it seems from the fan. This is intermittent but seems to happen when I have had the laptop on for a long time. What might be causing this and is this serious...

Your processor is probably getting too hot. When it gets hot, the fan speed will increase. You will heed to have the processor heat sink checked, cleaned, and new thermal paste applied to it. You will also need to clean your cooling fans if they are dirty.

Nov 03, 2009 | Sony VAIO VGN-SZ645P2 13.3" Notebook PC...

1 Answer

I have a problem with my Vilo VGN-FZ260E/b its not like a system error its more like a physical problem.. see when i turn on the laptop its runs fine. but after 5 minutes the laptop gets Very hot. Even...

i can get you an advice, a basic advice for you as a can buy in the market such a USB cooling fan...a lot of design in the can check, i think that's the best solution for you.....
but you can check first the processor fun of your laptop cause maybe its not working,it will become hot..and it will shutdown your advised you to check first your processor fan..if it is working then you need to buy a USB cooling fan..

Sep 24, 2009 | Sony VAIO VGN-FZ260E/B Laptop

2 Answers

Cooling fan is making a lot of noise

You probably don't need warranty work, just some compressed air. The metal fins of the heatsink are likely clogged with dust. Not as much air moves over the heatsink, so the fan goes into turbo mode to try and cool the cpu.

You need to locate the grille on the laptop where the hot air comes out of. You will need to blast some compressed air into this area
and a can of air may work, but might not have enough pressure to clear the clump of dust. At our shop, we use a compressor set to 80 psi.

If this doesn't fix it, post a comment and I'll get back to you

Aug 23, 2009 | Acer Aspire 5535-5050 Notebook

2 Answers

The fans on my Sony PCG-K33 are loud and there is a lot of heat coming from under the laptop and out the vent on the left side of the computer. The problemdid not exist until did a complete uninsall and...

Fans are usually noisy due to a build up of dust that's collected on the fan blades.
The best way to clean them is to get a can of compressed air and give short blasts through the air vents, also turn the laptop upside down and give a couple of blasts the CPU fan grill.
Alternatively you can get a clean, stiff paintbrush to clean the fan blades and blow through the air vents to remove any dust.
The laptop won't get as hot or noisy if you clean the air vents and CPU fan blades regularly.


Aug 20, 2009 | Sony PCGK37 Notebook

2 Answers

The fan is making a lot of noise. this has

Is the laptop dirty inside?

If it hasn't been cleaned out regularly, with a can of compressed air for computers, more than likely it is.

Laptops typically have a poor cooling design. For one, everything is crammed into a tiny box.
For two, there is a small duct, (Air Intake Duct), that draws air in.
For three, laptops typically just have 1 small fan.
For four, the Air Intake Duct is located on the bottom of a laptop, or on the side.
This is an excellent (?) area to draw foreign debris in. Another word for foreign debris, would be CRUD.

Hair, Food Crumbs, Lint, Dirt, Dust, and so on.

A laptop's cooling systems primary function is to keep the Processor at a certain temperature. If the processor becomes too HOT, it turns off. (BIOS turns it off)
NO Processor, No computer!

1.The excessive fan noise can be that the fan is spinning at top rate, trying to keep the processor cool. It's having a hard time doing that, because the fan cannot draw enough air in. (Clogged Cooling System with Crud)

2.The excessive fan noise could be that the fan's bearings are bad.

3.The excessive fan noise could be that the Processor is running at 100 percent, (100%), and the fan is running at full speed, in order to keep the processor cool.
Perhaps caused by a virus, or some sort of anti-virus program, or running more than one virus program. (Installed a new anti-virus program lately?)

Aug 04, 2009 | Computers & Internet

2 Answers

Computer shuts down for no reason- fully charged

1.I suggest your laptop is getting too hot. When the processor becomes too hot, it shuts off. (BIOS turns it off, actually)
This is a fail safe feature, to keep the processor from burning up. (Literally! Like on fire!)

Processors usually become too hot, when the Air Intake Duct is clogged with foreign debris. Dust/Dirt/Lint/Food Crumbs/Carpet Deodorizer, you name it, is 'inhaled' through the Air Intake Duct.
With the laptop on, you've probably noticed that there is an opening the laptop brings air in, and an Exhaust Duct that heated air comes out of.

You may also have noticed that the Air Intake Duct is located on the bottom. Sometimes it's on the side, near the Exhaust Duct. A very poor place as the above stated foreign debris is easily brought into the laptop.
Add to this, that there is a small fan at the end of a funnel like opening, bringing the air in. The funnel like opening is called a Cooling Tube. The large size of the Air Intake Duct that you see, usually narrows down to a Cooling Tube that is the width of your finger width, and about half as thick in height. At the end of the Cooling Tube is a filter made up of a porous sponge like material. (Synthetic) This traps all of the foreign debris.

Laptops have a poor cooling design to start with. All of the hardware components are crammed into one small box, and there is a little fan to blow air over the components. Very inefficient!

To help rectify this, you could purchase a can of compressed air for computers, and try blowing the Air Intake Duct out. (NOT the Exhaust Duct!)
AC adapter removed, (Charger), and battery removed. Break the plastic lock tab off of the can of air's trigger mechanism. (It's on top) Insert the plastic 'straw'. Laptop held up on it's side on a table, with one hand, can of air in the other.
Bring the straw about 1 finger length away from the Air Intake Duct grille. NO closer than this, at this time! Start at the top left corner of the grille, and spray air across. Squeeze the trigger in all the way as you start, let go when you are at the end of the other side.
Drop down a row. The distance you drop down is up to you. Your 'Guesstimate' will be pretty accurate. Go across again. Keep going down until you are at the bottom.

Now bring the straw back up to the top. This time, put the straw right against the grille. BUT, this time use Short Bursts! Squeeze the trigger in all the way, BUT let go quickly!
You are using Short Bursts now, because of the small fan inside. The fan is only designed to spin so fast. Spinning it faster than it was designed for, can lead to premature failure of the fan's bearings!
(The fan's bearings will go out before they're designed to, and the fan will stop spinning)

While using the can of air for a length of time, you may notice that the air pressure seems to drop. This is because the air is coming out so fast, that the outside air's moisture is freezing. You'll see frost on the top of the can. Just let the can sit for a while, and warm up, then you can use it again.
You'll also note that tipping the can of air will cause propellant to come out. You're supposed to keep the can level while using it, but when doing a good job, this becomes hard to do. It's okay, just refrain from tipping the can a lot.

I suggest bringing the laptop back to it's normal position, and propping one end up with a book. This will give time, for any of the propellant that came out of the can, and went into the laptop, to dry out.
Give it about 10 minutes or so. When you are satisfied the laptop is dried out, reinsert the battery, and then plug in the AC adapter, (Charger) Give the laptop 2 minutes, then turn it on.

2.Listen to make sure the fan is spinning, and is bringing air into the Air Intake Duct. The fan may have quit in the first place, and this could be the problem.

You may also want to invest in a Cooling Pad. There are expensive ones, and inexpensive ones. Some of the inexpensive ones will do the job just fine. Here are some examples of Cooling Pads,

May 09, 2009 | Toshiba PSAFGU-058002 Notebook

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