CPU fan detection error when asus board and aio
As title. I've recently installed an aio cooler and Pc has been fine. I've just booted it up again and this bios warning has appeared. I pressed F1 and the fan is being detected within the bios and is working properly. What could have caused this and is it something to be concerned about? Thanks.
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正在显示第 1 - 15 条,共 22 条留言
_I_ 4 月 27 日 下午 2:20 
do not plug the pump into the cpu_fan header

use a sata power adapter for it, so the pump is at 100% all of the time
and put the rad fans on the cpu_fan header
Bad 💀 Motha 4 月 27 日 下午 2:37 
Just set all the fan headers to ignore errors. But yes the AIO should never be plugged into a CPU labeled header
SenMithrarin85 4 月 27 日 下午 2:48 
引用自 _I_
do not plug the pump into the cpu_fan header

use a sata power adapter for it, so the pump is at 100% all of the time
and put the rad fans on the cpu_fan header

It's an artic liquid freezer 3 pro 360 aio. The instructions said to plug the all in one cable for it into the CPU fan header.
Numlock587 4 月 27 日 下午 3:50 
unless it's older than 2010. bios has a fan control section.... your journey begins there you need to adjust all the fans from their. 60-70 % is recommended. kinda like a jet engine
最后由 Numlock587 编辑于; 4 月 27 日 下午 3:52
_I_ 4 月 27 日 下午 3:53 
引用自 SenMithrarin85
引用自 _I_
do not plug the pump into the cpu_fan header

use a sata power adapter for it, so the pump is at 100% all of the time
and put the rad fans on the cpu_fan header

It's an artic liquid freezer 3 pro 360 aio. The instructions said to plug the all in one cable for it into the CPU fan header.
dont
most fan header are only good for 1a max

it should include an adapter for molex or sata power
its ok to split fans to the header, most case/rad fans draw under 0.2a ea
Bad 💀 Motha 4 月 27 日 下午 3:55 
This is why AIO is meant to connect to the AIO LC header or the Chassis fan header
Numlock587 4 月 27 日 下午 3:57 
my father has a evga watercolor aio. and a asus motherboard. goto the fan section. turn everything on and set to 60-70 % work load. it should cool and no alarms. don't worry it won't harm or brake.
最后由 Numlock587 编辑于; 4 月 27 日 下午 3:58
SenMithrarin85 4 月 27 日 下午 4:26 
引用自 Bad 💀 Motha
This is why AIO is meant to connect to the AIO LC header or the Chassis fan header

So why do the instructions say to do the opposite?
SenMithrarin85 4 月 27 日 下午 4:27 
引用自 _I_
引用自 SenMithrarin85

It's an artic liquid freezer 3 pro 360 aio. The instructions said to plug the all in one cable for it into the CPU fan header.
dont
most fan header are only good for 1a max

it should include an adapter for molex or sata power
its ok to split fans to the header, most case/rad fans draw under 0.2a ea

It has an all in one cable that connects to the cpu fan header or a 3 ended one that plug into the CPU,.aio and cpu opt headers on the board
No molex or sata
_I_ 4 月 27 日 下午 6:38 
引用自 SenMithrarin85
引用自 _I_
dont
most fan header are only good for 1a max

it should include an adapter for molex or sata power
its ok to split fans to the header, most case/rad fans draw under 0.2a ea

It has an all in one cable that connects to the cpu fan header or a 3 ended one that plug into the CPU,.aio and cpu opt headers on the board
No molex or sata
dont use the splitter/adapter for the pump
unless the board has a cpu_pump header, those can output more than 2a to run the clc pump
even then its a bad idea to have the pump changing speeds or turning off based on temp

get one of these, and plug the pump header into it
https://www.amazon.com/YiKaiEn-SATA-Power-Supply-Cable/dp/B0BR2S7M6M

and the fan into cpu_fan hader, and vrm (fan over the pump) into another cha_fan header on the board
SenMithrarin85 4 月 27 日 下午 11:49 
引用自 _I_
引用自 SenMithrarin85

It has an all in one cable that connects to the cpu fan header or a 3 ended one that plug into the CPU,.aio and cpu opt headers on the board
No molex or sata
dont use the splitter/adapter for the pump
unless the board has a cpu_pump header, those can output more than 2a to run the clc pump
even then its a bad idea to have the pump changing speeds or turning off based on temp

get one of these, and plug the pump header into it
https://www.amazon.com/YiKaiEn-SATA-Power-Supply-Cable/dp/B0BR2S7M6M

and the fan into cpu_fan hader, and vrm (fan over the pump) into another cha_fan header on the board

It has all 3 headers yeah.

My aio is really loud when the pc boots up and then quietens down during post. This error keeps getting displayed yet, when I press F1 like it's telling me to, the fan is detected in the fan monitor. It's showing an rpm, not n/a. What could be causing this? I feel like setting the warning to ignore is just masking the problem
AmaiAmai 4 月 28 日 上午 4:45 
引用自 SenMithrarin85
引用自 _I_
dont use the splitter/adapter for the pump
unless the board has a cpu_pump header, those can output more than 2a to run the clc pump
even then its a bad idea to have the pump changing speeds or turning off based on temp

get one of these, and plug the pump header into it
https://www.amazon.com/YiKaiEn-SATA-Power-Supply-Cable/dp/B0BR2S7M6M

and the fan into cpu_fan hader, and vrm (fan over the pump) into another cha_fan header on the board

It has all 3 headers yeah.

My aio is really loud when the pc boots up and then quietens down during post. This error keeps getting displayed yet, when I press F1 like it's telling me to, the fan is detected in the fan monitor. It's showing an rpm, not n/a. What could be causing this? I feel like setting the warning to ignore is just masking the problem

You should follow the advice you were given in the quoted. It's doing that because at the time of the PC's self test the voltage of the controller must be below the expected threshold or appear abnormal. Electrical motors pull the most power at startup, meaning at the start (0 RPM) it should be pulling more power than at any point in time afterwards which is likely why the error disappears.

CPU fan fail warning is not just for the fan not turning on, but when it pulls more power than expected (would happen with a clogged fan or other situation where the fan is facing resistance like a bad bearing, wire caught, etc.). Fan control settings can also cause an issue here too, but it's unlikely since it goes away

If you know the fan works and there is no issue, then you know that the issue can only be an electrical one and pushing the header over and over, or even just using one that might be faulty will just cause damage to the header and possibly beyond that header eventually depending on the exact cause.

If you have any doubt, you can always contact the motherboard manufacturer and seek advice or the manufacturer of the device you are using. Both of them should know the answer to the question of whether or not that fan is compatible with the header, esp. the motherboard manufacturer since they know the specs of that header better than anyone else.

That information may also be in the motherboard's manual or other technical documentation, but I doubt it. Hardware manufacturers aren't exactly as technical as they used to be.
SenMithrarin85 4 月 28 日 上午 5:38 
引用自 AmaiAmai
引用自 SenMithrarin85

It has all 3 headers yeah.

My aio is really loud when the pc boots up and then quietens down during post. This error keeps getting displayed yet, when I press F1 like it's telling me to, the fan is detected in the fan monitor. It's showing an rpm, not n/a. What could be causing this? I feel like setting the warning to ignore is just masking the problem

You should follow the advice you were given in the quoted. It's doing that because at the time of the PC's self test the voltage of the controller must be below the expected threshold or appear abnormal. Electrical motors pull the most power at startup, meaning at the start (0 RPM) it should be pulling more power than at any point in time afterwards which is likely why the error disappears.

CPU fan fail warning is not just for the fan not turning on, but when it pulls more power than expected (would happen with a clogged fan or other situation where the fan is facing resistance like a bad bearing, wire caught, etc.). Fan control settings can also cause an issue here too, but it's unlikely since it goes away

If you know the fan works and there is no issue, then you know that the issue can only be an electrical one and pushing the header over and over, or even just using one that might be faulty will just cause damage to the header and possibly beyond that header eventually depending on the exact cause.

If you have any doubt, you can always contact the motherboard manufacturer and seek advice or the manufacturer of the device you are using. Both of them should know the answer to the question of whether or not that fan is compatible with the header, esp. the motherboard manufacturer since they know the specs of that header better than anyone else.

That information may also be in the motherboard's manual or other technical documentation, but I doubt it. Hardware manufacturers aren't exactly as technical as they used to be.

That advice assumes there's more than 1 wire on the aio. There isn't. It's an all in one cable. If I plugged it into a sata adapter, the cpu fan header would be empty and the error would appear for a different reason
_I_ 4 月 28 日 上午 9:21 
the cpu_fan header isnt strong enough to run the pump and all of the fans

put the pump on its own adapter using the psu, not the mobo header

and its fan setting is not good to control a pump and fans with the same temp/speed profile

pump should be at 100% all of the time
fans can be at 0 to 50c and 100% at 80c
the pumps vrm van (to cool mobo vrms) can be lower, any airflow is better than none, or if the board has heatsinks its not even needed
最后由 _I_ 编辑于; 4 月 28 日 上午 9:22
SenMithrarin85 4 月 28 日 上午 9:41 
引用自 _I_
the cpu_fan header isnt strong enough to run the pump and all of the fans

put the pump on its own adapter using the psu, not the mobo header

and its fan setting is not good to control a pump and fans with the same temp/speed profile

pump should be at 100% all of the time
fans can be at 0 to 50c and 100% at 80c
the pumps vrm van (to cool mobo vrms) can be lower, any airflow is better than none, or if the board has heatsinks its not even needed

I think my psu has a molex cable. will that work? would I plug the all in one cable into that? and then into the psu?
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