I recently open up my Dell Inspiron 531 computer to clean out all the dust. I unscrewed the processor to clean it and I screwed it back on correctly. And of course I blow any fan and inside the power supply aswell. Now before I did this, I had no error messages before. After I do the cleaning, I put everything back the way it should be and turn the computer back on and now I have a warning saying CPU fan fail or speed too slow. What should I do about this problem?
Re: CPU fan fail or speed too low warning message.
For sure you have done something wrong in fixing up, re-check that you havent unplugged the fan aur havent damged the wires aur there jacks.
one possibilty maybe that you have cleaned the material present between fan and processor which is responsible for heat conduction.
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Make sure that cpu fans are running normally. Go to BIOS (generally with F2 on intel motherboards), and there will be information about cpu temperature, also fan speed (in RPM). If fan speed is 0 or very low problem is in cpu fan. (connection problem might be). If cpu fan speed is normal (high value) and cpu temperature is high, I will suggest you to open your PC case (or notebook) and see whether cpu fan is dirty or not. This is very common problem. If so, clean it.
either your computer is changing the fan speed depending on the temperature and has been doing this since you got it, then it's normal but, if this is a recent change, then the fan is possibly getting ready to fail and should be replaced before it does.
your processor is overheating. if you know how to open your cpu, that would do the trick. you should check out your cpu fan and try to clean it up. maybe it is all covered with dust. it cannot let the heat go out because your fan is clogged with dust. also, clean your processor.
Although the cpu fan may be working, the alarms are set to a temperature setting, so if the heat-sink that the fan is mounted gets clogged with dust ,dirt hair etc.. the processor temp rises and the alarm goes off. And in some cases if the user doesn't shut it down within a certain time period it is shut down automatically. When you boot it up, the temp might be rising to that setting faster than the operting system can load. Try a vac to clean it / or compressed air to blow it out
No thermal grease or old dry thermal grease and a dust and debris filled heatsink is your most likely cause of this problem. Dell isn't very overclocker friendly...it is more likely a lack of maintenance in blowing the dust out of the case on a regular basis. Take the case panels off and use dry compressed air to blow the system out and clean it thoroughly. The heatsink needs to be removed and the hold down latch on the processor needs to be removed and the heatsink and processor need to be wiped clean and a new thin layer of thermal grease applied to the processor. Put the system back together and fire it up.
It sounds like your CPU fan is slowing down with age and thus triggering your motherboards warning 'slow fan' alarm, while it may just need a good clean (remove dust/grime) it may prove much easier to simply replace the whole fan anyway...
Yes. This sounds like a fan issue. The noise often comes from bearings failing within the fan. Also, a failing bearing can make things harder on the motor as it brings the fan up to speed. This is likely the reason that you see increased warnings during the fan speed check while booting because it comes to speed more slowly as bearing wear increases.
I give this a 90% chance that your CPU fan is causing the issue. Since a decent CPU fan will cost you ~$20 online, it's not much out of your pocket if you happen to uncover another culprit.
I'll keep an eye on this post. Let me know how things go.
I bought the same motherboard this past year (used) and installed it with AMD Athlon 64 fx-57, Antec P180 case, 550 w power supply. I had the case cover off to check the fans when I first fired it up. The AMD oem cpu fan hesitated at power on for a few seconds, which worried me. It started spinning normally and I then shut the system down and waited a few minutes before restarting it. It spinned up fine so I put the cover back on. I started getting the same error you mentioned, so I updated the BIOS to 1013 version. That didn't solve the problem. I ended up disabling the warning in the BIOS as I got tired of seeing it, as I could see the fans were all spinning and the CPU temperature was at about 26 to 34 on cold boot.
I recently checked on this problem and seems many others with this board have this problem. One fellow said he mailed off a question the the problem to ASUStek and they replied that it is just a glitch, that the fan is "smarter" than the BIOS, as it will hesitate to spin fully at start up if the CPU is cool. The suggestion was to disable "Q Fan Controller" in BIOS. I did and don't get that warning.
As for the yellow question marks under manage in Windows, you need to install the drivers for all of those devices, and they will be on the disk that came with the motherboard. I use the latest drivers from the ASUS site, but the only one I couldn't install was the ACPI ATK 0110 Virtual Device that came out in 2007. When I try to unpack the .rar file it says Corrupt Headers and refuses to use the driver from that file. So, I use the driver from the disk.