The hard disk is the backbone of computer system hardware configuration because the Operating System is saved on it. All the applications, files, folders, and other data are kept in their sectors. A challenging drive sector is a part of the hard disk that divides files’ load in them. The performance of hard disk increases with the presence of sectors. A damage in a sector can cause the infamous blue screen error (BSOD.) It implies a problem with the boot sector or the Master Boot Record (MBR) file. So, you should check and repair the bad sectors routinely, and in the present writeup, we will discuss the crucial causes and solutions to help fix this issue.

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Prominent Causes Behind Bad Sectors

Some of the leading causes that we believe are responsible for the occurrence of bad sectors on the hard drives are listed below:

Firmware Damage to the Hard DrivesThis is one of the leading causes of drive malfunction, as it can cause permanent file damage. Hence, special care must be taken while handling or operating drives.Invalid Drive PartitionsInvalid partition tables can cause partition loss and other booting related issues. Due to the damage to the partition tables, the system might not be able to locate the partitions containing the booting data files.

Note: Damaged partitions can be restored from the table. This option is only available when you had a backup when the partitions were in a good state. Hence it is an excellent practice to backup at regular intervals.

Data CorruptionData corruption of boot sectors and partition tables can be due to malicious attacks, power outages, and faulty disk handling.

Note: Use a reliable Anti-virus tool and invest in some power backup systems to cater to this issue.

Read Also: Recover Data from Deleted Partition
Improper system shutdownImproper termination of any program can lead to data corruption. Hence it is advised to end all programs properly.

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Overheating and Over-ageing of Hard DrivesOlder drivers are prone to overheating as they have a limited life span. Hence it is advised to decommission older drives if you encounter any early drive corruption issues or symptoms.Static Build-upHard drives are highly sensitive to the static charge. The charge build-up in your hands can get transferred to the drive when you touch them with bare hands. The sudden surge of charge in the drive can be fatal. Hence, it advised to put these drives in ant-static foam casings or exercise extreme caution by touching the drive with gloves.Ways To Repair Bad Sectors

To repair the bad sectors using the inbuilt tools might be the most effective way to deal with bad sectors on hard drives.

Method #1 To Fix Bad Sectors on Windows 10/8:

Click on the This PC option and right-click on the drive that you suspect is affected.Now select Properties.Now click on the Tools tab and select the Check button.
Review the scan results.Next, click Scan and repair drive > Choose when to fix the file system.After the scan and repair, reboot your PC.

To Fix Bad Sectors On Windows 7:

Go to This Computer icon > right-click on the hard drive that you would like to repair > select Properties.Click on the Tool tab > click on Check now > Scan > Start.Review the check disk report.Method #2 Kernel for Windows Data Recovery

There is a possibility of data loss after repairing the bad sectors on your hard drive in Windows. Therefore, in such a case, you need a professional data recovery tool. One such tool is Kernel for Windows Data Recovery Software. This tool can quickly recover data from any storage media such as external hard drives, USB drives, SD cards, and more. Another essential feature is it can even recover deleted files alongside the lost and corrupt data files.


At first glance (see the snippet below), the user interface looks clean and descriptive. The tools prompt the user to choose from the three scan modes. The first mode is a Quick Scan mode; this mode should be selected if you have recently deleted the files as it coarsely scans the files. The next mode is Deep Scan mode, and it should be used explicitly in the event of hard disk format and partition deletion. If you have tried both of the previous modes and had no luck, then try the File Trace mode. This is the most advanced scan mode as it scans the drive sector-by-sector.



Bad sectors can occur on the drives for several reasons, which are briefly discussed in this article. Along with the causes, two methods to counter bad sectors are also discussed. More importantly, there is a chance that you might lose your data. In such dire circumstances, one can rely only on a professional data recovery tool such as Kernel for Windows Data recovery tool, which can efficiently recover your data files. We highly recommend this tool and ask the user to give this tool a try. From the website, one can download the evaluation version of this competent tool for trial purposes.