This slows down the reading process and can make the Mac feel sluggish and unresponsive. Slow performance:When your Mac reads data from an external hard disk drive with bad sectors, it has to skip over those sectors.Signs of Bad Sectors on Your Mac External HDD A corrupted file system is the usual culprit. Logical bad sectors: These types of bad sectors are usually caused by software errors.are some of the main culprits behind the existence of this type of bad sectors. A scratch on one of the disks inside the drive, accidental physical damage to the external HDD, etc. Physical bad sectors: Physical damage is the primary reason why this type of bad sector occurs on a Mac’s external HDD.The bad sectors on a Mac’s external HDD can be classified into two types. The Different Types of Bad Sectors on Mac External HDDs When this happens, the system displays a kernel panic error. In extreme cases, bad sectors causes your Mac to shut down unexpectedly. They can cause a variety of problems, including slow performance, file corruption, and even hardware damage. Usually, physical damage to the external drive causes this issue. What Are Bad Sectors and How Do They Affect Your Macīad sectors are damaged areas on hard disk surfaces that cannot be used to store data. To learn about ways to fix other hard disk failures, check out our guide on the same. Also lets take a look at basic ways to backup and recover data in case of emergencies. So, next time you come across a bad sector on your Mac’s external HDD you will know exactly how to repair it.
Today, we will learn ways to repair bad sectors on a Mac. Moreover, external HDDs have moving parts which make them prone to bad sectors and other hardware issues. File corruption, unexpected shutdowns, and slow performance of your Mac are common symptoms of this issue.Ī bad sector of your Mac’s external HDD can cause significant damage to valuable data. Bad sectors of your Mac’s external HDD can cause data loss if you do not repair them in time.
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