Help!!! CPU Fan not going over 2200...any ideas?

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Any ideas on this would be most appreciated...
My CPU Fan isn't going over 2200 RPMs and the CPU is going into the Red Zone... normally the Fan should be well over 3000-3500 RPMs. Fan Control(power saving) is OFF in the BIOS... unfortunately my bios /main board doesn't allow for further adjustments/thresholds etc.

I am just wondering if anyone has experienced this and knows of a solution or where the problem could be coming from.

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The redzone on my intel utilities starts at 70...

And its not noisy at all at the 2200. I'm just seriously wondering why its not getting loud and going up to 3500 anymore like it used to... and also because the CPU temperature is going into the red zone.

I am thinking it is a power thing because this all started happening when I plugged my monitor into my motherboard onboard graphics. The entire video used to get power from 2 6 pin connectors from the power supply whereas now the video comes from the mother board. The fan is plugged into a four pin connector on the motherboard... I could go ahead and plug it into the power supply? I have plenty of 4 pin sockets hanging around in there unused? Any advice on this? I'm just afraid if its not plugged into the mother board it won't get detected at all etc ? I'll try it out and put it back if it doesn't work

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Muppet among Puppets の投稿を引用：

If you connect it to a 4 pin molex plug 12volt it will run full speed.
But it will not be detected.

As i said, volt is not consumed. 12 volt on a wire will stay 12 volt on a wire. And volt is what makes your fan fast.

I was all set to connect the fan directly to the power supply but it seems they are both 'female'. The pins on the mainboard are 4 'male' pins that the CPU fan connector fits onto. Is there someway to go about connecting the two four pin 'female' connectors? I'm going back to check it out now anything you can tell me Muppet would be highly appreciated. I'll be back in a bit.

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I assume there should be an adaptor for it. I have a feeling that once the monitor is unplugged from the motherboard and plugged back into its own power that it will return to normal. Is there anything else to know about for when the fan is not detected? I won't be worried about it but might have to set it to not alert me etc?

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Muppet among Puppets の投稿を引用：

I had a simple adapter. My fan got a little plug, with thin bare pins. And with an adapter it connected to two pins of the molex.
Are there "basic 12 volt" pins for case fans on your motherboard? Which are default 12volt?

If not, such an adapter for fan to molex should be cents.

I can not tell you why you have that problem. But you didnt try at 12 volt default. We would know more then.

70 degrees is much too high for a cpu. So you need a fix.

Im not sure if the 4 pins that are sticking up on the motherboard that the fan connects to are 12 volt. Its not the standard 4

[_I_]

your cpu fan should be plugged in like this
http://www.elma.it/IMAGES/fantt/4in4a.jpg

thats a pwm fan plug and pwm fan connector on the right
wpm allows for the board to control the speed of the fan, and report back the fans speed

if its in the 3pin connector like on the left, then the fan will always be at full speed and report back its speed

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I'm not completely sure it just *seems* like now that the motherboard is powering the video as well that the fan is like set to 2/3rds power or something.. its running 2200 now. Tomarrow I get my new video card and I'll put it back and I think it will go back to normal well see though.

[_I_]

when your using the video port on the motherboard, its using the igp on the cpu which will make the cpu run hotter

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_I_ の投稿を引用：

your cpu fan should be plugged in like this
http://www.elma.it/IMAGES/fantt/4in4a.jpg

thats a pwm fan plug and fan connector on the right
wpm allows for the board to control the speed of the fan, and report back the fans speed

if its in the 3pin connector like on the left, then the fan will always be at full speed and report back its speed

That helps quite a bit.. right now yes its plugged into the one on the right.. I am not seeing a 3 pin one near there.. I do see one some distance away on the mainboard.

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Muppet among Puppets の投稿を引用：

Tell us what happens then.
Meanwhile i would not use the computer when its that hot.

No it was only getting hot when I was playing a game.. as it was using the CPU for the video as well since there is no video card in ther now.

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Thanks very much for your expertise the both of you. Right now here is where it stands. I get my new card in a few days and I will plug the video back into that. But I would rather have the CPU fan run at full all the time if I could.. I dont' care at all about noise or conserving power.. I have a very fast CPU (3.6 ghz stock) so I want to keep it as cool as possible. Can I plug the CPU fan into any 3 pin prong like the one shown on the left? Or does it have to be in a specific spot and marked like that one is?

EDIT: The only 3 pin on the board is far away and it is apparenlty for a 'front fan' which I don't have. Will it cause major problems if I can plug in the CPU fan into that? I"m not worried about alerts etc and can figure all that out, I just want the fan to run at full throttle if I can get it to.

I should say that its not really a problem right now.. its not overheating or anything and I ran a bunch of tests and it was fine with no problems. So maybe I'll just wait till I put the new vid card back in and see what happens.

[_I_]

that will be fine, the board might complain about not reading the cpu fan speed, but it should have an option to ignore it

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I just did a complete reinstall so in a bit after I'm done copying some stuff I'm going to unplug it and see how that works in the other connector.