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Why does my computer fan suddenly run faster

While visiting internet sites the fan suddenly runs extremely fast and loud

Posted by Anonymous on

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According to you question i sure that you have a dual core or a pentium processor pcwith low ram when you start browsing or starting a larger program your pc load up your processor tries to complete the task in available resouces in this proceesor usage perventage gone up and in this process it heats up to cool down firmware speed up fans to avoid it clean your junks close all programs before starting big your issue will be solved

Posted on Feb 24, 2015

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As the cpu (central prossing unit also known as processor) heats up the fan will surge to cool it down. Nothing to worry about. If this helps you rate favorable.

Posted on Feb 24, 2015

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: High speed fan

There is a CMOS setting that you can set on some motherboards which monitor CPU temperature while adjusting fan speed to match. You might have a look into your CMOS settings for such an animal. To enter the CMOS, tap the F1, or F2 or Delete key (depending on your motherboard) about 3-5 seconds after repowering your machine. ZT3000 "Beta tester of "0"s and "1's"

Posted on Aug 21, 2007

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SOURCE: Making my computer run faster.

help about this question

Posted on Dec 30, 2008

Blu3Demon
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SOURCE: the fan in my tower sometimes runs loudly and for a long time

May need to be cleaned if that doesnt work


Replace the fan it sounds like its getting old

Posted on Mar 12, 2009

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SOURCE: Loud fan noise

Some HP computers are known for video card fan noise. I had an a1250n and a m9500f with this problem. On the a1250n, they replaced the video card 4 times. HP finallt told me they know about this problem. I guess they had to keep giving inferior video cards until you got a good one. If it is under warranty get a free replacement from HP. If not, don't mess trying to fix it like putting special oil on the fan spindel which helps for a short while.

Posted on Apr 23, 2009

khanartist81
  • 80 Answers

SOURCE: cpu fan of dell desktop

Either your fan is dirty or your fan is malfunctioning. If you have a warranty then call Dell to replace the fan (they will run some test first), or if you know how to replace the fan i would suggest that first.

Dell usually comes with a Diagnostic Disk that you can boot from to troubleshoot, if you do not have the disk then the built in Diagnostic Utility can help you. This will also help tell you if there is anything else wrong with the machine, the test takes long so be patient.

To get to the Diagnostics Utility follow these steps:

1. Reboot the computer and press "F12" and you will be taken to a "Boot Menu".
2. Select the Diagnostic Utility (might have a different name)
3. Walk through he steps to test your computer. This Utility will test everything that's why the disk is better. The disk will allow you to choose which test to run.

If you do not have the built in Diagnostic Utility and do not have the disk then visit the Dell website, choose support and type in your Service Tag number. Then download the utility, this site can also determine if you still have a warranty on the machine (but your GX520 is quite old and might be out of warranty)

Please rate if this helps

Posted on Mar 15, 2011

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1 Answer

How to stop my computer fan from going so fast


The fan is a function of how hot the cpu and gpu units are getting on the motherboard. If the fan is running fast it means the heat from the motherboard components is not getting passed out of the enclosure. Get some canned air and blow out the dust from all the vents around the computer edge. You could also get a laptop cooler to put under your laptop.

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Hello!

Well, verify these things first!
1) Dust in the fan, and cleaning.
2) somethings is blocking the ventilation

never put a laptop over a pillow, bed, or carpets.
just use a flat place!***

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Acre z5700 turns off


A really loud fan can be one of two things - neither is very good to have for very long. Most newer motherboards support multi-speed fan operation based on CPU temperature. This keeps fan noise at a minimum because the fan only has to run fast (and loud) if the CPU exceeds a specific threshold temperature. The loud noise could also be from a fan that is starting to fail and is binding, thus running slower than normal. Either of these conditions is indicative of a problem that kills PCs - heat. Open the case and carefully examine the heat sink fins and the fan on the CPU. If they are caked with dust (especially the fins), then the CPU will likely overheat and shut down. Get some canned air designed for cleaning electronic components and blow the dust from the fins and the fan. Restart your system a see if the fan runs slower and quieter now, Machines that are in dusty environments, around smokers, or placed on the floor are especially prone to dirt buildup. Periodic cleaning with the canned air is the way to keep your PC happy and healthy.

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Replaced motherboard and now fans are loud and fast


Check for proper connection, also check bios speed on fans and make sure heat sink is correctly installed... side note you have fresh item's and higher power faster speed... if there is a controller on fans lower them.

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What's your problem?tower fan is always running off and on


Your computer's Processor/CPU fan is set to run faster when it is hot and slower when it is cool. That is why it get's quiet and loud. A clean may reduce the noise, by removing the dust from the computer system the fans will be able to operate more efficiently and effectively meaning that they won't have to spin as fast.

Install fans in your chassis to provide your computer system with freash air, an exhaust fan is also an idea to push warm air out of the system. Generally the larger the fan the quieter it will be, as a large fan can spin at a slower rate to provide the same airflow of a smaller unit.

Remember that it is that fan over the CPU heatsink that is keeping your computer alive. Overtime they can wear, replacing the fan is an option.

Take care!
damnor01

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1 Answer

Slow Browsing


First of all, test what your actual speed is - for instance at http://www.4nettech.com/corp/internet-speed-test.html . If that shows that your Internet connection is fast, try cleaning up your browser, use Firefox instead of Internet Explorer, run a registry cleaner. Also temporarily turn off your antivirus program and visit one or two well-known safe sites (don't browse the Web in general without antivirus!) and see if the antivirus might be the culprit.

Jan 18, 2010 | Computers & Internet

1 Answer

Tower fan runs fast without stopping


either your computer is running too hot (clean it out physically, or clean out viruses) OR the fan is failing, and it sounds louder and faster cause the bad fan bearings are making that noise.

Mar 12, 2009 | Computers & Internet

2 Answers

My computer fan is running continuously, from the time it turns on. (even before booting in to windows xp) why does my hard drive fan kicks in all the time - its loud and annoying


The fans in most desktops do run whenever the unit is on. Only high end/ performance/ or self built systems usually have self adjustable fan speeds.

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The modem is extremely slow-most downloads are far too slow


Dialup phone lines usually only transmit a minimum of 8 Baud. NetZero's high speed (5X) faster is done by caching pages you have already visited, not actially running internet but loading pages faster on your computer. Check your modem setting, 56k, 112K are normal speed setting to connect. Check your actual connection speed, 28.8 is probably all that you are getting on dialup.

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