Fan detection error

[vik6am]

after i changed the batery in my system,while booting it shows an error message "fan detection error" but processor fan is working without any problem.Please find me a solution for this problem.my system configuration are.intel quad core procsr DG43NB

 

[truegenius]

turn off any smart fan option or any other fan related option

 

[alpha9496]

thank you truegenius for rplyng....hey is that a hardware issue or software...