Windows 10: "CPU fan failure: Press F-1" Now, what?

Greetings, fellow users, and Happy Thanksgiving! I am facing several issues with my machine Dell Inspiron 3847 so you may discover other questions at this site focusing on a specific issue; it's basically on life support so I am desperately looking to keep it "alive" until I can afford to replace it. The CPU fan in my machine has been "revving" for some time now and despite the supportive advice that I have received thus far, the problem has not been resolved and the other day it sounded like an airplane propeller about to take off--and suddenly stopped. When I restarted it some hou

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CPU Fan runs constantly

Hi,

We would like to know the following information to assist you better regarding CPU fan issue.

• Does the fan runs constantly fast or do you hear any noise?
• Have you tried updating all the drivers of your computer?
• Have you tried any troubleshooting steps before posting this concern? If yes, what are those?
• What is the memory/disk usage in task manager?
  
  You may check this by typing Task Manager in the search box
  and hit Enter. Check which application
  is taking more memory or disk usage.

Looking forward to your response.

 

POST CPU Fan Failure

When I startup my system (cold) I get a POST error "CPU Fan Failure" and I am directed into the BIOS where I can view the status of the different fans on my motherboard. Sure enough the CPU fan hasn't started. With some patience I have discovered that after about 5 minutes the fan begins and all is well. So now everyday when I start up I still get the error and boot to BIOS but I just ENTER, ENTER out and window starts up and all is well knowing the fan will eventually start. I have never had a problem with overheating and I have watched the temperature as I wait for the fan to start. I have tried rebooting after the system has warmed up and I boot right into Windows with no interruption.

My question is: Is this a problem with my CPU cooler fan or is it a motherboard problem or something else? I would like to get it fixed. My system is as follows:
Asus P8Z77-M Pro motherboard
Intel i5-2400 3.10 GHz
Zalman CNPS 8900 110mm fan
Windows 10 pro (up to date)

Thanks
John

 

Cpu fan not running on cold boot

Thanks for the feedback.

The system has four direct fans that are part of the case.

Four fan headers on the motherboard, two are three pin, two are four pin,

cpu 1 x 3pin, system 1 1x 3 pin, system 2 1 x 4 pin, power 1 x 4 pin.

Cpu water pump is connected on cpu header, cpu fans (2) are connected to system 1 header ,other fan is connected to system fan 2 header, nothing is connected to the power header.

1300 w psu, system is under one year old.

The cpu fan has a fan curve of + 25 % in bios.

The fan has never been set to run in pmw or manual.

Environment ambient temperature is on average 50 to 70 f

When the cpu fans do not run it shows in the bios as such.

Basic io points to a faulty temp sensor on the main board or

temp not high enough to kick the fans on?

Update; cold booted the system, fans run then stop, core temp is under 9 degrees celsius in the bios.

As soon as the cores hit the 9 degrees celsius mark, both fans run normally.

This was not going on until the january 2016 updates and I believe it is windows power management that is causing this issue.

Using a uefi bios that supports win8 as natively but set hat to other os s because I did not know if setting that would be good or bad for the os, hardware, drivers or software.

Still need so help on this.

Update two.

Bios settings for the cpu is clocked at 4.0 ghz.

According to task manager and speccy the cpu is clocking up to 4.7 ghz ( turbo boost).

When cold booting and going into the bios and change anything or just exit out, I receive

a bios warning message about the system not able to boot.

Options are load default options, load optimized options, enter bios; select enter bios, save and exit and pc boots fine.

The os is very stable at this point and can not figure why the bios boot strap is having so many issues detecting and keeping the settings but once the handoff is made it is fine.