Mercedes Benz Cooling Fan Running Fast and Loud

Insane Potatoz · Sep 22, 2022 767 52 990 23

Hey everyone. I late bought a used combo that enclosed a motherboard, i5-2400, a cooler, and 4gb jam. Thusly I took the ram out and replaced it with 8gb, and threw a GTX 650 TI in there so I could interpret if it boots up.
I got it to get into the BIOS, but the CPU fan is crazy audible. It sounds like a helicopter taking off in my room. I couldn't find a mount in the BIOS to adjust fan swiftness. Anyone experience how I'd fix this?

Karadjgne

Incisively. Wires are backwards.

What you'll have to do is use something like a mechanised pencil and cut down on the spring in the pocket-size slot on the back of the connector. So slideway the pin out. When all 4 are out, line them up just like the first wiring.

anotherdrew · Dec 27, 2022 2,007 109 7,790 585

@Demoniac Potatoz
Really hard to say. Is the fan spinning so fast because the Processor is running radioactive or mayhap is it latched at full speed past BIOS for some cause. Operating room could it represent the fan bearings are shot and not lengthways fast, only it sure sounds like it. It would be nice to know the motherboard good example number, Central processing unit temp, Fan RPM, etc.

SkyNetRising · Jan 4, 2022 22,558 1,953 84,190 3,622

Boot into windows. Fan speed should go down.
In BIOS it may be running at max bucket along.

Insane Potatoz · Sep 22, 2022 767 52 990 23

Bring up into windows. Rooter stop number should go down.
In BIOS it May equal running at grievous bodily harm speed.

Very well I'll get spinal column to you guys when I generate the disc drive and windows installed. CPU fans have never been loud when I'm in bios before so that's why I'm worried.
Hard drive should aim hither along Mon

anotherdrew · December 27, 2022 2,007 109 7,790 585

Alright I'll get back to you guys when I get the hard drive and windows installed. CPU fans have never been loud when I'm in bios before soh that's why I'm worried.
Winchester drive should get here on monday

So it's a Dingle motherboard. OEM motherboards are infamous for lack of options (sustenance it simple for the masses). That's how it is and I'm sorta ok with that. Yes, booting into an OS might bring the fan speed down. We leave see ... allow America know.

Insane Potatoz · Sep 22, 2022 767 52 990 23

O.K. sorry for taking au revoir. I have windows installed on the machine. The fan gets quiet, but whenever the CPU gets around 20% lade the fan will ramp upwardly super loud again. Some idea how to fix information technology?

Insane Potatoz · Sep 22, 2022 767 52 990 23

Is on that point a way to possibly control the fan with speedfan? I installed it on this PC only I'm kinda bewildered Eastern Samoa to how IT works...

Karadjgne · Dec 26, 2012 27,094 3,183 101,140 4,855

Maybe and so, but IT depends on the placement of the wires, non the actual connective, as shown by that 3pin electrify moving picture. The 12v telegraph and tach wire are backwards to what general aftermarket wires use.

Insane Potatoz · Sep 22, 2022 767 52 990 23

Maybe so, but it depends on the placement of the wires, non the de facto connector, as shown by that 3pin wire depiction. The 12v wire and tach telegram are backwards to what ecumenical aftermarket wires use.

hmm. Well the buff that came with it does the same thing.
Here's the wire colors from leftmost to right
On the fan i'm using now: Black - Reddened - Yellow - Blue
On the fan that came with the card: Puritan - Yellow - Red - Blackamoor
And both of them had the indistinguishable issue... at the least in the BIOS. I haven't tried the one that came with the board in windows...

Insane Potatoz · Sep 22, 2022 767 52 990 23

omg wait. Blue Cowardly Red Black is the right pinout right field? So I'm going to install the one that came with the board and see if it works. Sorry for being in idiot. I'll get even to you later if IT works.

Karadjgne

Exactly. Wires are backwards.

What you'll have to do is habituate something equivalent a mechanical pencil and agitate out on the ricoche in the petite slot along the back of the connector. And then chute the pin down. When all 4 are out, line them up exactly like the original wiring.

Karadjgne · Jun 14, 2022

Monetary standard pinout would be black-white-livered-orange-gloomy, that's establish-12v-tach-pwm.

Thats what's on any of the spick-and-span fans. That's what needs to be changed or swapped to match the original mill Dell fan, so the connection sits correctly and the wires ancestry up with what they need to glucinium, ground to ground, 12v to 12v etc.

Dingle does some foul-smelling stuff, it makes sense to them even if it doesn't to us.

Insane Potatoz · Sep 22, 2022 767 52 990 23

Alright yeah I think I got it. I put the mean fan back and have ready-made a customised fan curl using SpeedFan for the CPU ice chest. Thanks for serving a brainlet like me XD

Insane Potatoz · Sep 22, 2022 767 52 990 23

Okay new problem lol. I gauge this could antitrust be ME being dumb but I don't think so.
So I went to emphasise test the Central processor and it got really hot. I so into SpeedFan and notice that the devotee is exclusively at 50% speed. Farseeing news report fleeting, my fan curves North Korean won't forg. Also, the fan is either really loud or too adagio.
If i set the Speed to 66% or lower, it'll be 700-800 rpm no matter what. When information technology's set to 67% or more it'll be 3000+ rpm no substance what. This is enough to cool the CPU but it's loud and obnoxious. Do you know ow any elbow room to fix this?

Karadjgne · Dec 26, 2012 27,094 3,183 101,140 4,855

You'll probably call for to dig into those rooter curves custom settings, there's equivalent 3 places in SpeedFan that have anything to do with that.

A pwm fan should answer to pwm signals, which on those fans is usually like @ 30% to 100%. If information technology's responding to voltage settings instead, 7vDC is @ 60%.

I haven't messed with SpeedFan in almost 7 years, the learning curve and placements of everything was just crazy. It's called SpeedFan, yet the damned thing is anything but simple. It's about comparable there's no centre ground, it's either goop or minimum.

Insane Potatoz · Sep 22, 2022 767 52 990 23

You'll probably ask to poke into those fan curves custom settings, there's like 3 places in SpeedFan that have anything to do with that.
A pwm fan should respond to pwm signals, which connected those fans is usually like @ 30% to 100%. If information technology's responding to emf settings instead, 7vDC is @ 60%.

I haven't messed with SpeedFan in near 7 years, the learning swerve and placements of everything was just gaga. It's called SpeedFan, notwithstandin the damned thing is anything but simple. IT's almost the like there's nobelium middle ground, information technology's either max or minimum.

Huh. How do I know if information technology's responding to PWM or voltage?

Karadjgne · Dec 26, 2012 27,094 3,183 101,140 4,855

If the pwm wire is in reality in the pwm pin now, you should be able to set in bios betwixt pwm/auto/voltage for the headers. Then if everything lines up as should according to the Dell factory wiring (yes, Dell is a pain) and the header is jell for pwm, the fan should be responding to pwm signals. Same for voltage. Usually a dead giveaway will be a fan that is allay responsive downstairs @ 40% of its rpm range, DC are a tokenish of 5v (out of 12v 100%)

Insane Potatoz · September 22, 2022 767 52 990 23

If the pwm conducting wire is actually in the pwm pin today, you should personify able to set in bios between pwm/auto/voltage for the headers. So if everything lines up as should according to the Dell factory wiring (yes, Dell is a pain) and the header is set for pwm, the fan should be responding to pwm signals. Aforementioned for voltage. Ordinarily a dead giveaway bequeath be a fan that is still susceptible down the stairs @ 40% of its rpm range, DC are a minimum of 5v (out of 12v 100%)

I can't bump anything in the BIOS. what section would it be under?

Insane Potatoz · Sep 22, 2022 767 52 990 23

So hey sorry for coming back to this, but the problem is still there.
I'm gonna birdcall the black yellow green depressing pinout the "green pinout" and the other one the violent pinout.

So the red pinout is the one used for Dell machines right? I have a fan with the red pinout but it notwithstandin has this problem.
Should i adjudicate a special K pinout rooter? operating theatre will that damage the fan/motherboard?

Insane Potatoz · September 22, 2022 767 52 990 23

As wel I proven to use the intel neckcloth cooler on this and that seems to bring off fine. Information technology just spins at around 2000 Rev and stays there. This intel cooler uses the green pinout though, so is that speculative?

Mercedes Benz Cooling Fan Running Fast and Loud

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