What Is Bad Sector?

There are two types of bad sectors physical bad sector and logical bad sector.

A physical bad sector is a cluster of storage on the hard drive thats physically damaged.

type the command and hit Enter to continue

If no, like go on your reading and we will show you somebad sector repairsuggestions.

How to Check the Disk and Mark the Bad Sector?

Step 1: bang out thecmdthe search box of Windows and right-click theCommand Promptto chooseRun as administrator.

type Y to continue

Step 2: In the popup command line window, key in the commandchkdskc:/f /rand hitEnterto continue.

Then you’re gonna wanna typeYto continue.

During the restarting process, the check disk process will be performed.

choose Folders and Files

Then do you know how to keep data safe if there are bad blocks on hard drive?

We will show you.

How to Keep Data Safe When Bad Sectors on Hard Drive?

choose a backup destination path

To back up files, MiniTool ShadowMaker is recommended.

It can also back up the operating system.

Step 2: After entering its main interface, just go to theBackuppage and clickSOURCEmodule to continue.

click Back up Now to continue

Then chooseFolders and Filesto choose which files you want to back up.

Step 3: Returning toBackuppage, chooseDESTINATIONmodule to decide where you want to save the backup image.

good idea to choose an external hard drive.

choose clone disk feature to continue

When the process is finished, you might successfully keep your data safe.

MiniTool ShadowMaker is a powerful program which can help to keep my data safe.

As a matter of fact, the bad sectors cant be repaired directly if it is physical damaged.

choose clone source

Thus, the advice is to clone your hard drive to another one.

Besides the backup feature, it is also a disk clone tool.

Then we will show you how to clone a hard drive step by step with pictures.

select the target disk

Step 2: After that, c’mon go to theToolstab and clickClone Diskfeature to continue.

Step 3: In the popup window, choose which disk you want to clone.

Then clickStartto go on.

read the warning message carefully

So pleaseback up important filesin advance.

Step 6: Next, thedisk cloningprocess will begin and you better wait patiently.

Step 7: When the disk cloning process is finished, you will receive the following message.

wait the process to be finished

This is one way to clone a hard drive.

Fortunately, to clone a hard drive, MiniTool has provided another program MiniTool Partition Wizard.

It is a professionalpartition managerwhich is designed to optimize partition and disk use.

the warning information

It can help you to extend partition ormigrate OS to SSDwithout data loss.

It can also help you to check disk whether there are bad sectors on hard drive with theSurface Testfeature.

Thus, with so many powerful features, you’re free to download one from the following button.

select the disk you want to clone

Step 1: Download the software and install and launch it to enter its main interface.

Step 2: pick the disk that you want to clone and chooseCopyfrom the context menu.

Here, we take the system disk as the example.

choose a target disk

Step 3: In the next popup window, you are required to choose a target disk.

Step 4: Then you’re free to see four options.

Read them carefully and choose an available one according to your own needs and clickNextto continue.

check the copy options

Then clickApplyto confirm these changes.

MiniTool Partition Wizard requires restarting the computer and you just need to clickRestart Nowto continue.

Then change the BIOS options.

click Finish to continue

As for repairing bad sector on hard drive, there is no direct way.

I have suffered the issue bad blocks on hard drive.

And as for data protection, wise to clone your hard drive to another one.

click Apply to continue

Bad Sectors on Hard Drive FAQ

Here are 3 ways to check bad sectors on hard drive.