'cpu fan failure'

[Cygnus]

Right, well, I was messing around with the OCing tools on the ASUS TurboV EVO program and decided to run an automatic overclock. It did it's thing where it changes some settings, reboots, and changes some settings and tests them and reboots. And it went up to the maximum the PC could handle and crashed. Fine, I restarted and all was well.

I was then curious as to what the Turbo Key section could do for performance. So I pressed it. The computer froze, so i pressed the reset button and it came on, fine again, only this time just after the POST beep, there were 6 more beeps and a message saying 'CPU FAN FAILURE; F1 TO RESUME'. Shortly after, the CPU fan spooled up a bit and became annoyingly loud. Now everytime I start the computer I get that message, and the fan is louder than usual. I know there cant be a CPU fan error as it is spinning fine, shooting out loads of cold air, and I checked the CPU temps. in the BIOS and they were around 36 degrees.

So, what can I do to stop the message and get the fan to spin quietly? Can I just reset the system so that it's like it was when it was first built?

p.s. I have already checked the fan's power cables.

 

[Shibin]

Do a system restore,am not sure if that works,but it might. Seeing people overclock and fail brings a tear to my eye,just dont do it..now you have voided your warranty and potentially ruined your comp.

 

[Maestro]

OK, simply go in to your bios and load default settings. Then check that q-fan is enabled in the hardware monitor section of the bios.

 

[Sleinous]

Likely when you reset, it reset Q Fan control to disabled, in your BIOS.

So... enter BIOS, find the "Hardware Monitor" enable CPU Q-Fan control, make sure it says Standard below as in this screenshot, save and exit.

 

[Cygnus]

Yep Shibin, and I assure you I feel very stupid and annoyed at myself at this particular moment hehe. But hey, you cant rewind time, so I'll deal with it.

Sleinous,Maestro: I just went into Bios, reset to default settings, went into the Hardware Monitor and changed the mode to CPU Q-Fan Control as you suggested but I'm still getting the message. (the fan is quieter now on standard, but will it speed up under load whilst on Q-Fan control?)

Shibin: Already tried the system restore earlier

Something I noticed earlier, but forgot to mentio was the fact that whilst in Hardware Monitor, my 2 case fans show up with their respective RPM's, and one other (what I'm guessing is my third case fan) shows up as being an optional fan and that also has an RPM, however, next to CPU fan it just says N/A. Any ideas?

 

[Shibin]

Under load qfan control is supposed to incnrease fan speed. Qfan basically dynamically controls the fan speed.

 

[Cygnus]

okay well that's fine then. That just leaves me with two problems. Firstly, why am I still getting that stupid message, and secondly, has it got something to do with the fact that the motherboard doesn't even realise the CPU fan is spinning?

It hasnt affected system performance at all and I will be leaving it on overnight probably to make sure it can handle staying on for long periods of time, on top of which I shall be playing Crysis for a few hours later to make sure. It's just that the message is ruining the whole 'you have a brand new shiny computer' thing, and I'm so annoyed that it's my fault lol.

 

[Sleinous]

Yes, it will adjust, this is how your PC would have been shipped to you, by reneabling it youre just re-setting it to how it was. ALSO, check on "Main" that AI Overclock Tuner is set to X.M.P. for xtreme memory profile, otherwise, I can guarantee your RAM wont be running at 1333MHZ or 1600MHZ anymore, but, 1066 or 800mhz or something similar.

 

[Cygnus]

Sorry I don't quite understand. I followed your steps and I'm still getting the CPU FAN ERROR message upon booting up along with the CPU Fan no longer showing an RPM in the BIOS, even though I can hear, see and feel it spinning. What shall I do?

 

[Sleinous]

Can you post photos of everything in hardware monitor?

 

[Meds]

Hey,

Just checked you're spec and can see that you have the CooliT ECO. The pump should be plugged into the CPU Fan Header and the fan into a Chassis Fan Header so this could be causing the CPU Fan Error (as it's a pump not a fan ). So because the BIOS doesn't know its a pump it thinks the fan isn't spinning so it's flagging an error!

There should be an option under the Hardware Monitor (in BIOS) to disable the CPU Fan error, perhaps if you press enter where it should state the fan speed it might give an option to ignore, give that a go. Sorry my directions aren't very accurate but I'm at home and have no Crosshair IV Mobo to check it out on

Edit: This will most likely have occured here but we will have disabled the message to stop it popping up on boot, since the BIOS has been reset you'll have to do it agian.

 

[Sleinous]

Hey,

Just checked you're spec and can see that you have the CooliT ECO. The pump should be plugged into the CPU Fan Header and the fan into a Chassis Fan Header so this could be causing the CPU Fan Error (as it's a pump not a fan ). So because the BIOS doesn't know its a pump it thinks the fan isn't spinning so it's flagging an error!

There should be an option under the Hardware Monitor (in BIOS) to disable the CPU Fan error, perhaps if you press enter where it should state the fan speed it might give an option to ignore, give that a go. Sorry my directions aren't very accurate but I'm at home and have no Crosshair IV Mobo to check it out on

Edit: This will most likely have occured here but we will have disabled the message to stop it popping up on boot, since the BIOS has been reset you'll have to do it agian.

Mr clever-clogs has it sussed

 

[Cygnus]

But it was fine when it arrived (as in not confusing the pump with a fan etc). I can't understand what could have changed..

 

[Sleinous]

When you reset - that would reset BIOS settings to default, which means any configuration PCS did at warehouse will have been lost. Please also check that your memory is still running at 1333mhz (or 1600mhz 2000mhz if that is what you bought) in BIOS, if not, you need to re-enable X.M.P. This is something else that gets lost on a reset.

 

[Meds]

When you reset - that would reset BIOS settings to default, which means any configuration PCS did at warehouse will have been lost.

Exactly, when you reset the BIOS to defaults after the OC crash, it unfortunately removed any settings we made prior to dispatch.

 

[Cygnus]

Ok, well, I looked in the case and the water motor was plugged into the case fan header and the fans/radiator were in the CPU FAN header. So, I swapped them over, disabled Q-Fan control for the CPU Fan (which is now the water cooling motor) and enabled Q-fan control for case fans. Is this ok?

Edit: The CPU Fan reading now says 4000+ RPM (cant remember the exact figure) so the water pump is running at 4000+ RPM? That doesn't matter anyway. The RPM for Case Fan '3' or whichever one it is has remained as 'N/A' so the sensor wire must be damaged or something - I'm not sure as I'm not very knowledgeable, but consindering that the fan is running perfectly but just not sending RPM info to the mobo, it must be just the sensor wire damaged or not functioning properly. Which, again, doesn't make any sense tp me because if one wire had broken, I would expect all others to break too. Ahh well, stopped getting the CPU FAN ERROR message since swapping round the cables anyway and CPU is still running a nice 36 degrees so I guess that'll do for now.