![]() When the heads sweep back and forth across the platter surface, the limiter stops them from going too far in any direction. The clicking sound is generated by the base of the actuator arm contacting a limiter. The bumping causes an audible “click,” which will last as long as the operation is carried out. If the motions become erratic and unexpected, the disk controller attempts to reset its position by repeatedly bumping back to the home position. During normal functioning, a disk head moves smoothly to track data on a disk. While there are several causes for a hard drive making clicking noise, the clicking sound is caused by a fault with the disk’s read-write actuator.Įvery hard drive contains a read-write actuator that is used to read and interpret data from the disk. The clicking sound was initially heard by computer users as a result of a hard disk failure. Why Hard Drive Is Making a Clicking Noise? If you see any of the aforementioned failure symptoms, you should stop using your hard disk and follow the steps outlined below.
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