symptom		HDD makes clicking noise.	nois-clck-head-repl
cause		worn heads			
solution 	replace heads


symptom		HDD makes beeping noise.	nois-beep-plat-swap
cause		mis-align-motor			
solution 	swatter swap


symptom		HDD makes buzzing noise.	nois-buzz-stic
cause		stiction			
solution 	remove stiction


symptom		HDD makes whining noise.	nois-whin-plat-swap
cause		worn spindle bearings 		
solution 	swatter-plat