Question My fans and Cpu

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Wiggy Mack

Wiggy Mack

Feb 18, 2024
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Im sorry for probably what could be a poor explanation as i am way out of my element. In need of desperate help, I recently (month or so) have had struggled with my comp cpu temps getting really high with games. I'd thought I'd fixed it where I noticed a fan connected had come lose as 1 of my 3 cpu fan set up wasn't working. The problem persisted unfortunately then again decided to have another look through it all and FYI I'm not technical or have any idea about computer really as this was built for me. It's all high end stuff has far as I know. 4090 hero rog maximum cool master fans and aoi cpu cooling but my temps on the last 3 out 5 of games have exceeded 80 degree Celsius. I took the covers off my pc and noticed on the cable hidden side of the case was a non connected cord? Join? Wire? Whatever and found another end not connected I connected them together and my 3 case fans I wanna call them a 3in1 cooler Master case fan or something that is in the top facing down ramped right up so I was stoked but now I go into my bios fan control setting and I now have a w_pump+ rpm when I don't have any water cooling? Lol I have the liquid cooling but they aren't the same thing are they? Should I detach these I wanted to take a photo but I can't.
 
It is rarely a good idea to connect cables that you are not 110% positive where they are connected and for what purpose.

Who built this system for you? Such as a pre-built from large company, a mom and pop shop, a friend?
Unless you are willing to go digging through your PC to find out exactly what everything is, dig into manuals to understand what you are looking at and what it does, and then willing to do some wire tracing this may or may not be for you.

Especially in a situation where/if this PC still carries a warranty, I would probably disconnect that cable you found and take it to that entity to look into.
 
Oh okay that's fair, only thing that changed when I plugged it in was fan speed and now it says I have a water pump rpm lol
 
Wiggy Mack said:
Oh okay that's fair, only thing that changed when I plugged it in was fan speed and now it says I have a water pump rpm lol
Click to expand...

This would seem to indicate that the wire you found just hanging was going to the pump/alt header on your motherboard.

I got a bit confused in that you mentioned a fan of three not working, but plugging that up made all of those fans ramp up? If those fans are also connected to another header, it could damage something.

By and large most mobo are going to have a a CPU fan header, possibly a pump/alt header, and case fan headers, maybe more of them than one. I assume that you have an air cooler. The fan or fans that are directly a part of it should be on the CPU header. Any auxiliary fans mounted to the case should be on the case header or headers as the case may be.

If you don't have enough case fan headers you may have a hub attached to it controlling several fans.

You can also get fans that daisy chain together such that up to (typically) three of them run off the same header. To compound this, you can also have fans that run off Molex or SATA power individually or daisy chained together. The latter case would not be showing up in your BIOS and are not speed controlled.
 
punkncat said:
This would seem to indicate that the wire you found just hanging was going to the pump/alt header on your motherboard.

I got a bit confused in that you mentioned a fan of three not working, but plugging that up made all of those fans ramp up? If those fans are also connected to another header, it could damage something.

By and large most mobo are going to have a a CPU fan header, possibly a pump/alt header, and case fan headers, maybe more of them than one. I assume that you have an air cooler. The fan or fans that are directly a part of it should be on the CPU header. Any auxiliary fans mounted to the case should be on the case header or headers as the case may be.

If you don't have enough case fan headers you may have a hub attached to it controlling several fans.

You can also get fans that daisy chain together such that up to (typically) three of them run off the same header. To compound this, you can also have fans that run off Molex or SATA power individually or daisy chained together. The latter case would not be showing up in your BIOS and are not speed controlled.
Click to expand...
Sorry I'm way out of my element here and trying my best to explain it. So I found a little kinda like named cable tie and it says that cable is a pwm cable that isn't connected. Those ports fit perfectly together and when I connect them it ramps up my fans where it's just the top one or all I have no clue. Connecting them just seems to pump up my fan idle speed and ramp up speeds? But it unplugged the fans still work?
 
punkncat said:
It is rarely a good idea to connect cables that you are not 110% positive where they are connected and for what purpose.

Who built this system for you? Such as a pre-built from large company, a mom and pop shop, a friend?
Unless you are willing to go digging through your PC to find out exactly what everything is, dig into manuals to understand what you are looking at and what it does, and then willing to do some wire tracing this may or may not be for you.

Especially in a situation where/if this PC still carries a warranty, I would probably disconnect that cable you found and take it to that entity to so
Click to expand...

punkncat said:
This would seem to indicate that the wire you found just hanging was going to the pump/alt header on your motherboard.

I got a bit confused in that you mentioned a fan of three not working, but plugging that up made all of those fans ramp up? If those fans are also connected to another header, it could damage something.

By and large most mobo are going to have a a CPU fan header, possibly a pump/alt header, and case fan headers, maybe more of them than one. I assume that you have an air cooler. The fan or fans that are directly a part of it should be on the CPU header. Any auxiliary fans mounted to the case should be on the case header or headers as the case may be.

If you don't have enough case fan headers you may have a hub attached to it controlling several fans.

You can also get fans that daisy chain together such that up to (typically) three of them run off the same header. To compound this, you can also have fans that run off Molex or SATA power individually or daisy chained together. The latter case would not be showing up in your BIOS and are not speed controlled.
Click to expand...
So when it's not plugged in I don't have a water pump rpm but when I plug it in my fans ramp up and I get a water pump fan rpm reading? I don't have water cooling? I have the liquid cooling but not water cooling as far as I'm aware
 
punkncat said:
Was this a custom or prebuild? Do you have the model number or know what the hardware is installed?
Click to expand...
It was a custom build from scorptek
Intel Core i9 13900KS (Base:3.2GHz, Turbo:6.0GHz / 36MB / LGA1700 / 24 Core / 32 Threads / Raptor Lake)

Cooler Master MasterLiquid ML360 Illusion Liquid CPU Cooler, Dual Chamber Pump, 3x MF120 Fan, Translucent Dome, Compatible with LGA2066, LGA2011-v3, L

ASUS ROG MAXIMUS Z790 HERO MB, Z790, 4x DDR5, 2x PCI-E 5.0 x16, 5x M.2, 6x SATA3, 10x USB 3.2, 1x HDMI 2.1, 2x Thunderbolt 4, ATX, WIFI 6E, BT 5.3, 2.
 
Ok, so you should probably take a look at the documentation for the Cooler Master AIO and check where everything is supposed to be connected.

Most often an AIO will have a connector for power, generally SATA nowadays. The pump itself may have a wire to go to the pump header. Some of them have a harness of their own that just connect to the CPU fan header. The pump is typically run by itself, but not always. Since it is a 360 there are (3) fans that should be connecting to the CPU fan header and as you mention they are probably all three daisy chained off the same header or connector.
 
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