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My computer is making a noise when i use it too much......i called bestbuy and they told me it might be the cpu and i want to know what to do and what is the cpu

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Hi there!

It will be the CPU cooling fan.

You need to replace it soon as you can overheat and fry chips if it fails.

There is a lot of choice, but go for a middle range one if unsure.

Replacement is straightforward, but you MUST use correct earthing / antistatic procedures! - Buy an earthing wriststrap to replace the fan.

Hope this solves the problem for you.

Posted on Jun 19, 2008

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Posted on Jan 02, 2017

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My laptop fan makes alot of noise and gets heated up very quickly.all the games i play cause the laptop to shut down without warning due to overheating.i have tried getting it cleaned, but it doesnt...


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This seems to be a common problem with laptops over a couple of years old. Dust gets trapped in the copper fins and the fan of the CPU heatsink and reduces the efficiency of the cooling, which results in regular power off's by the laptop as it gets over it's upper temperature setting. The fix is relatively easy, just remove the heatsink unit, blow it clean with compressed air, clean the old CPU heatsink paste off with isopropyl alcohol (IPA) and spray a thin film of heatsink paste on the CPU.


If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response

Thanks, Joe

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Hi

Thank you for your query

You are right when the laptop first starts up it is the fan, if you are getting error message then it is the heat sink (fan on top of cpu) that will need to be replaced.

I would only recommend changing it if you know how as getting to the motherboard is quite tricky to say the least

Please dont listen to the geeks at bestbuy, they obviously dont know what they are talking about

If this has been useful please leave positive feedback/vote/testimonial - Thank you again

Feb 13, 2010 | IBM ThinkPad G41 Notebook

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I need a new cooling fan, how much are they?


The old addage "you get what you pay for".....It applies here. You can get 80mm to 120mm fans for under 20 bucks, but depending on how fast they have to spool up to keep the processor cool and how well their blades have been designed determines how loud they are, especially if they have been cheaply made....poor bearings and poor blade design equals noise. Bigger fans are actually a lot quieter because to move air they do not have to turn as many rpms. Get the biggest best made fan you can that will sit confortably in the case without interference. Also, download the little program called Speedfan, it will monitor fan speeds and system temps and make adjustments to the fans to keep them in the quiet range when possible.

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The warranty should be handled by Sony. Check your documents, as some brands only offer 90 days, while stores sometimes have their own extensions for longer periods. Best Buy can also advise which one it is.

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My CPU fan doesn't work. When I turn the computer on, it gives me the HP blue screen then a black screen saying that the CPU fan is broken. When I look at it, it has a lot of dust. I am wondering if I...


The cpu fan is located on top of the heatsink

the heat sink is a large silver square with slits on the top.

It's really easy to indentify

Just clean it out using some computer air spray, found at bestbuy and walmart.

Also, when your looking at it, make sure the cable is connected to the motherboard

I hope this helps!

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Cpu


The noise is coming from fan friction and vibration. Running compressed air through fan components can help reduce noise pollution from dust buildup. Brush-less CPU/GPU fans are significantly quieter than the brush-motor powered fans that come with some factory electronics. Furthermore, some computer cases are designed with noise reduction in mind; Antec designed cases are know for being one of the quietest because they use patented bushings to secure the computer hardware. Moreover, make sure internal wiring is free and clear of all fan blades.

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Speaker noise


Logitech X-240 seems love to pickup all RF noise.
Any AM [amplitude modulation] over such RF gets into audio as another noise - some might pick up AM radio signal although won't sound clear at all with some amplifiers [I am serious] - which has high gain preamps - less shielding and unmanaged ground wire handling.

Re-engineer with shilded cable - and [I don't know how normal users will do] - make sure the docking part is not the RF picker.
Well, when your CPU is processing millions of transistors are switching, and we call that digital noise, usually systems with high SNR {signal to noise ratio} should be more immune to such.

One more thing, it could be just the audio card [be it plugged in PCI bus or in Motherboard] could be a bad one - which is picking up noise - rearrange all cables inside CPU box - and check.

Isolate the problem - if it is from CPU, and audio-card --> audio line-out amp chip is picking the noise, - unplud the card or swap with another good audio card, possibly different make/model.
If the audio is on motherboard - do disable through BIOS setup.

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how do you know your processor make the noise?

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If the system is a couple of years old, the fan may be clogged with dust so the blade can't turn; these little suckers don't have much torque.
You can find the little fan pretty easy since (unless you have a high-end video or sound card) it will be the only one actually on the system board.
If you know how to access the BIOS on your particular computer, you may have one that monitors the CPU temperature and tells you in degrees.

Watch the screen at bootup for a message about entering 'Setup.'
This will give you the key to press and it often must be done very quickly; it's often F1 or F2.
Some BIOS will call the function Advanced or System something.

Don't make any changes you don't understand and when you exit, don't 'Save' any changes.

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