There's usually a very good reason for a fan to be running fast or making noise, the root cause of which you're working to solve with the steps below..
A na - enwekarị ezigbo ihe kpatara onye na - agba ọsọ na - agba ọsọ ma ọ bụ na - eme mkpọtụ, ihe kpatara ya ị na - arụ ọrụ iji dozie ihe ndị dị n'okpuru.