hi everybody
i have x550vx main board.this board working ,have image but fan not working
i tried this
bios update
changed ec

and havent fan0_pwm voltage

fan socket voltage
fan0_pwm=0v
fan0_tach=3v
5vs_fan=5v

I/O voltage
31pin fan0_pwm=0 volt
47 pin fan0_tach=3 volt

and u5003 voltage
cpu term u5003
5pin=3.3v
3pin cpu_therm=3.3v
4 pin +3vs=3.3v
1 pin=3.3v

whats wrong

that is problem

disconnect blue wire for test

when i disconnect blue wire fan working but so fast

than you need troubleshoot
fan0_pwm=0v