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The fan alert warning when you start up the computer says "WARNING CPU FAN FAILURE SHUTTING DOWN cPU TO AVOID DAMAGE" AND THEN IT SHUTS OFF.

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I am going to assume (and we all know what assume means) - that you have a desktop. With the power disconnected, take the side of your computer off. Take a can of air (you can get them anywhere) and blow out your fans (all of them) dust and dirt can cause the fan to stop working, dirt and dust can even short out your computer. I don't suggest using a vacume cleaner - for the parts (on a vacume cleaner) are so large you can bump a circuit or diode that can break off.

Once you have air cleaned the fans, while the side is still off, power up your computer and see if any of your fans are not working, if one is not - that is what needs to be replaced.

Posted on Mar 30, 2008

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My vostro 200 encountered cpu fan failure but i use it then it shots down and never runs it again what should i do???


Hi, its not a good practice to use a pc without a CPU fan. most cases the fans pc shuts down to prevent damage to the CPU. i will advance you take it to a technician to have the fan replaced. then it will work if the CPU has not already been damaged by you trying to use it without the fan. but i am sure that is not the case. get the fan changed and you pc will work again

Oct 16, 2012 | Dell Vostro 200 Desktop Computer

1 Answer

Push power button and the power light turns amber and lights up then shuts off. the light in back of the computer is light green and it starts to turn on then dies


The fact that ity is trying to start and shuts off after ..it seams that it is the CPU fan to blame ...If the fan fails to start the CPU will turn the computer down instantly due to the temperature limit ..(in 1 or 2 sec ) ..
so ...open it up ..and see if the fan is spinning ...on start ..and if it is not ...check the connection with the board or replace it ..
(by the way ..this may also be a CPU failure ..and need another one ) ..

Aug 31, 2011 | Dell Inspiron 518 Desktop Computer

1 Answer

I changed my cpu fan out, when i started it up it ran 30sec and shut down. So i replaced new mother board without fan., it still shuts down after a few sec. I disconected the 4 pin power source and it will...


From your problem description it sounds like the CPU was overheated (and failed) before you replaced the CPU fan - so the fan replacement was too late. Since the procesor already failed, installing a new motherboard without a fan did not accomplish anything.

The 4 pin power plug provides +12 volts DC to the processor. When you disconnected it, the processor essentially could not run at all and the system is no longer capable of detecting the CPU failure and shutting down the power supply.

You need to install a known good CPU which is the right type and speed for your computer. Unless you are experienced in replacing,CPU's, fans, heat-sinks and applying thermal grease I recommend that you have a PC technician perform these tasks.

If you believe that this information is of value to you please rate me on the FixYa website.

Regards,
Yavacotech

Nov 29, 2010 | Computers & Internet

1 Answer

WHEN I TURN MY COMPUTER ON A ERROR MESSAGE COMES ON "CPU FAN TO LOW"


This message is a warning that the CPU cooling fan is no longer turning fast enough to adequately cool the CPU. You should not use your computer until the fan is replaced.or the CPU could be permanently damaged as a result of over-heating.

Unless you have replaced these fans before, I would advise you to have the fan replaced by a PC technician as it's pretty easy to damage the processor when removing/installing the fan.

If this information is helpful to you, please rate me on the FixYa website.

Rich

Nov 28, 2010 | Computers & Internet

1 Answer

When I start up my HP Pavilion computer it said CPU fan failure-shut down. Would the problem be the fan on the motherboard or the fan on the case?


This would be the fan on the motherboard (CPU), not the Power Supply Unit fan on the case. It may be that it is simply clogged with dust. The PC will shutdown as a precaution to prevent damage to the CPU if the fan has not started or if the CPU begins to overheat as a result of a failed or poorly performing fan.

Oct 18, 2010 | Computers & Internet

2 Answers

Computer frequently shuts down unexpectedly/ fans very noisy


You might have a cooling problem due to a fan malfunction. It is not clear whether it's the power supply fan or the CPU fan; in the latter case you might also have a thermal coupling problem. The symptoms you describe certainly seem to point to such.

My advice would be to replace the fan (or the whole power supply; you might also want to purchase a "Silent Power" unit for quieter computing). If it's the CPU fan and you are comfortable with, or know anyone comfortable with a bit of PC servicing, you might want to also unmount the heat sink from the CPU and replace the thermal paste between CPU and heatsink. Clean the heat dissipator (the black metal grille over the heatsink) with hot water and a bit of soap and dry thoroughly, or wipe it energically with a dust brush, before mounting the new fan on it.

Feb 28, 2010 | HP KQ499AA Pavilion Elite M9360F Desktop...

1 Answer

All computer fans starts ok but trips with notice,


You may hear the case fans running. Remove PC cover and check CPU fan and replace, it may not be running at full speed.

Sep 23, 2009 | HP Compaq d530 SFF PC Desktop

2 Answers

Dell 5150c shuts down orange flashing light


As a temporary measure, taking the side panel off the dell 5150c stopped it from shutting down, so in my case it was clearly a heat problem, as suggested by previous the poster. The following instructions assume you're comfortable replacing computer hardware components - do at your own risk!

The solution is to buy an 'air duster' and some thermal compound for the CPU heat sink. If your CPU fan doesn't sound healthy (mine didn't), also buy a new one (ca. £20 on ebay: search for G9474 ).

Read the service manual: http://support.dell.com/support/edocs/systems/dim5150C/en/sm/index.htm for details on how to install / remove the fan and heat sink.

Clean out dust from the heat sink with air duster. Remove the fan, and clean or replace (recommended). Also clean the grill in front of the fan. Clean off old thermal compound from the CPU / heat sink and replace with a thin layer of fresh compound. Replace heat sink and side panel and you're done.




Mar 16, 2009 | Dell Dimension 5150C (DIM515CMIN) PC...

2 Answers

Power shuts off after 10 mins of normal use


When a system shuts off after about the same amount of time every time--and it can't be traced to having one particular program, it usually means it's shut down because it's getting too hot. Do you get any warnings? Can depend on chipset/settings what alerts you get. Something often overlooked is the cpu fan, if your system is a couple years old, that'd be a generally cheap/easy replacement that often fixes it. It can be very hard to tell just by looking at it if it's working normally or not. Any noise?

Oct 31, 2008 | Computers & Internet

1 Answer

Laptop shuts off after powered on omnibook 6000 It runs for a few seconds and shuts down .... it that a bad power supply or what?


You might have a broken or dirty CPU fan. The CPU heat sink fan is responsible to cool down your CPU while it is on. If it is broken or stuck(dirty), then your machine will power off automatically preventing CPU damage or worse-case-scenario:FIRE caused by "burnout".

Your CPU heat sink might not be mounted on your LT properly. Also causing overheating; thus shutting down.

Its a laptop right ? Right! Another thing you could try is to unplug the battery, and let it run from AC power only and see if it makes any difference.

Apr 16, 2008 | Computers & Internet

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