How to remove Bad Sector from hard disk

How To Remove Bad Sector

What Is a “Bad Sector”?

A bad sector, also known as a “surface defect”, is simply a sector on a computer’s disk drive that is physically damaged and therefore unable to be read. Usually, it is detected by the SCANDISK or CHKDSK utilities software that your operating system is equipped with.

When SCANDISK or CHKDSK find the bad sectors on your drive, they mark them so that the operating system will skip them in the future. This is known as standard disk repair.

Fixing Bad Sectors

Many PC users may come across bad sectors on their computers and not know how to fix them. Fortunately, a bad sector is not a lost sector – there is a way to save them. Once the bad sector is marked, the disk controller will remap the logical sector to a different area on the hard drive.

Since the drive has many spare sectors, the only reason the operating system would detect a bad sector would be if the surface of the disk drive was failing.

If this happens, it means the drive has run out of spare sectors and can no longer remap bad ones. This is very bad news for your operating system.

Common Symptoms

There are several common symptoms of bad sectors. One is the system blue screen. This is when your monitor screen suddenly turns blue duing the middle of an operation. Often, this is because your system is unable to read a sector.

Another symptom is constant system freezes. This occurs because the operating system is unable to access the sector information it needs to load a page or open a file. Other symptoms include: “drive not formatted” error, “drive or device not found”, or “operating system not found”.

All of these error messages are signs that your computer system’s registry and memory are corrupted and need a fix.

Bad Sector Dangers

If system structures like the FAT are affected by bad sectors, it could cause your computer to freeze or even crash. That is where RegCure comes in.

RegCure’s software addresses sectors below the the file system, enabling it to detect the bad sectors that SCANDISK and CHKDSK cannot reach.

The advantage is that the disk management system can then go back to reallocating spare sectors where they are needed.

Optimize Your PC

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