cpu cooler fan problem

[plopper]

Hello,

I have a little problem with my cpu cooler fan, i have recently transferred my system into a new case the nzxt s340. In my old case i could manually control my fan with speedfan and it was all fine, but since i transferred my system it just goes full speed all the time and i cant change it anymore, during the transfer i did not change anything about my system. the fan goes directly into my motherboard and its a cooler master seidon 120v ver 2 cooler.  Any clues about what could be causing this problem?

Thanks for helping.

 

[Redsun20]

Did you accidentally change the fan header that the fan is plugged into?

[Metalmoonbat]

Try shutting down your computer, disconnecting the power supply and then power it back on

 

This worked for me once amongst other things

[Redsun20]

Hello,

I have a little problem with my cpu cooler fan, i have recently transferred my system into a new case the nzxt s340. In my old case i could manually control my fan with speedfan and it was all fine, but since i transferred my system it just goes full speed all the time and i cant change it anymore, during the transfer i did not change anything about my system. the fan goes directly into my motherboard and its a cooler master seidon 120v ver 2 cooler.  Any clues about what could be causing this problem?

Thanks for helping.

You may have plugged the fan into a different header then it was on before (done this). The settings you made in the previous profile will not apply to a on header if you set it to another

[plopper]

thank you for the reaction i tried disconnecting the psu but also did not work. 

redsun20, i only have 1 fan header so it is in the same one i use a 4 pin splitter and i have also tried it without the splitter but no results, i have also tried a stock cooler fan to see if the fan was broken but i could not control that one either. before the transfer it would always start at 37% by the motherboard but it does not do that anymore.