Open the HDA first and observe the heads and platters if they are damaged, and clean them if necessary.
2
那好你要清洁或更换磁头了。
Sound like the head needs to is cleaned or changed.
3
擦拭显现器的荧光屏时,要用专用的清洁剂和洁净柔软的布,或是用棉球蘸取磁头清洗液擦拭。
When cleaning the monitor screen, use special cleaning agents and clean, soft cloth or cotton ball dipped into the head with a cleaning fluid for cleaning.