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Computer fan making loud whirring noises BOTH of them?

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#1 michael24


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Posted 26 August 2013 - 03:00 PM

I need help and to know what to do now.

I keep hearing that the computer fans could be dying and that would then kill the computer as well.

I dont know what happened I had the computer on all the time but the last few days when I started shutting it down and booting it up the next morning it now makes this horrible sound in both fans in the inside of the tower.

It sounds like they are pushing too hard or going into overdrive or even overheating but I dont know what exactly it is precisely.

I need help this computer cost enough money as it is I dont want it to die on me weve had it since 2009. 

Please help.

If it helps :

Tech Support Guy System Info Utility version
OS Version: Microsoft® Windows Vista™ Home Premium, Service Pack 2, 64 bit
Processor: AMD Phenom™ 8450e Triple-Core Processor, AMD64 Family 16 Model 2 Stepping 3
Processor Count: 3
RAM: 7934 Mb
Graphics Card: ATI Radeon HD 3200 Graphics, 256 Mb
Hard Drives: C: Total - 476937 MB, Free - 210638 MB;
Motherboard: Dell Inc., 0F896N
Antivirus: Microsoft Security Essentials, Updated and Enabled


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#2 dicke



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Posted 26 August 2013 - 06:04 PM


It sounds like the fans are losing their bushings. At slower speeds they don't run true and the noise is parts rubbing parts.

It's time to open the case and identify the fan specs so you can buy replacements. There are many different ones sold online and most good electronics stores havea few in stock. Watch the connectors, there are at least two different ones and they are VERY different. Make sure your new fan plugs match the old ones. Care and a Phillips screwdriver should allow you to swap them in a short time.

Keep us posted

Stay well and surf safe [stay protected]

Dick E

#3 rotor123


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Posted 27 August 2013 - 08:46 PM


Allow me to explain.


When a fan's bearings are going bad the first sign is that the are noisy when the computer is turned on.

Then after a little while they will run quiet

Sometimes they stay noisy

Then next stage the are silent, That is because they don't run at all.


The other reason They could be running really fast, That is an indication the the heatsink on the CPU needs cleaning.


Your problem could be Either. Normally the computer will slow down and or shut off if it gets to hot. It will do this to prevent damage.

This extra heat will accelerate component aging so try and find which one(s) are the problem.

Open the case and check to see if the inside is dust clogged and which fans are bad.


Normal desktops have a minimum of three fans.

1. CPU Fan

2. One or more case Fans

3. One or more power supply fan(s)


Good Luck


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