How to recover data from hard disk having bad sectors

By Zulunris | 02.04.2021

how to recover data from hard disk having bad sectors

Restoring Bad Sectors and Fixing HDD Errors

Mar 25,  · If the hard drive with bad sectors is still working on your PC, follow the steps below to restore and get data off the hard drive with bad sectors: Step 1. Run EaseUS Data Recovery Wizard, choose your HDD partition (according to its drive letter or partition label) where you lost data and click "Scan". Step odishahaalchaal.comted Reading Time: 5 mins. Recoverit will start a quick scan on your hard drive with bad sectors. Wait for a little bit while and preview the scanned data. If you could not find the data from the hard drive with bad sectors, you can click on "All-Around Recovery" to have a deeper scanning. Step 3.

Read about the ways of fixing HDD errorsif it is possible to restore bad sectors and how you can do it. When bad fdom and other hard disk issues appear, it may result in losing all the information on the disk. Taking into account the overwhelming popularity and significant numbers of information storage devices currently in use, the issue of why bad sectors appear and how hard disk HDD errors can be fixed becomes quite relevant.

An important requirement for securing user data and recoer its unexpected loss is to keep the hard disk you are using in good working condition. Below, we will try to consider the possible methods to solve the problems mentioned above. Before we get harx to describing solutions to the problems we have mentioned, it is worth focusing on the hard disk design peculiarities to fully understand the fecover of its work, proper diagnostics and choice of troubleshooting solutions. A hard disk is a mechanical mass-storage device having moving parts, and it makes it the most vulnerable element of a personal computer.

Depending on the stated memory size, hard disks may use one or several platters placed on a single axis. The hard disk case is a hermetically sealed container, which keeps ddata any foreign elements or particles, and ensures the general protection of the device. Based on the information on hard disk design described in the disj part of this article, we know that all information is stored on hare platters inside the hermetically sealed disk case.

The process of writing and reading information suggests existence of certain rigidly structured disk space with certain elements that divide it into parts. That is why the inner organization of the disk platter surface has special marking, which makes it possible to write and store information on the device. According to that, the surface of the platters is divided into tracks, each of them body image what is it subdivided into sectors the smallest area of the disk memory used to store information.

The size of a sector as a minimal unit of measurement for data written to disk is bytes. Yet depending on the selected file system applied when formatting the hard disk, sectors may be united into clusters which, in their turn, will be used as single memory chunks when writing and storing data.

A cluster can consist of several physical sectors, and its total size depends on the total number of the sectors it has united, so a cluster can be as large as sixty-four kilobytes.

When writing data, the system detects the size of the file being written and places it to the required number of clusters. Clusters with the data written to them can be placed differently on the disk surface. Depending on the size of sectods source how to add bookmark in chrome bar, hard disk load and a number of other factors the clusters containing data of the same file can be placed either next to each other sectros be scattered all over the disk platter.

In other words, the source file will be broken into separate parts and written to tl disk in a pattern of fragments. In havig end, it will make the read time longer how to recover data from hard disk having bad sectors the dism head of the disk will have to find all fragments of a file when such file is addressed.

If a sector gets damaged, a part or all the information might be lost as sectors are the main elements in charge of storing data. As we have described it in the previous part of the article, a design peculiarity of a hard disk drive is the presence of sectors or clusters for writing and storing various information.

If, for various reasons, sextors sector becomes damaged, the information written there will probably be lost and recovering it might not be easy, depending on the degree and type of damage.

You will have to use specialized software to identify them. Hafing new hard disks are shipped from manufacturers with a certain number of bad sectors. The system marks identified bad sectors and when writing data to gecover ignores them and places them into the list of exclusions.

The magnetic what does ryu say in street fighter of the hard disk may get damaged giving way to emergence of bad sectors through a number of causes. However, their nature comes from either of the two factors: mechanic influence or software errors. In case of mechanical influence, the most widespread issues are those provoked by an impact to the disk case, or the disk falling down from somewhere.

Even if you are always careful and never dropped your disk, nobody can guarantee that it was not dropped before — for example, in a shop or warehouse. The second prize goes to faulty production, breaches of technology or design mistakes. There is always a chance that a certain batch or a new model of hard disk can be affected by this factor, and it may result in bad sectors appearing here and there. If this process is not static and the number of bad recoveg is growing, soon sectots disk may get so damaged that all of its information will be gone forever.

Daat special auxiliary utilities of the operating system address a dizk, they may djsk a how to write a letter to request flexible working hours with an error in return, and it makes the system mark this sector as bad.

Such type of causes is classified as a software error and may include the following kinds. Often, the problem is caused by an error which appears after a power failure, and as a result, data is written only partially or with some errors. The next time the system addresses such sector, it will be inaccessible. No less frequent are the errors caused by failures recovre the operating system, specific apps or programs. Damaged signatures, distorted bootloader code, destroyed contents of the partition idsk and wrong identification of logical partition boundaries — all of these result in a disk becoming inaccessible.

Also, software errors may include accidental deletion of system files in charge of the hard disk operation, and deliberate damage to the data caused by malware or a virus. As a result, important bar information is lost, and the disk sectors receive a software error warning.

Also, the hard disk becomes very slow which results in its freezing absence of response to any user actions at some moments, especially when the operating system is initialized or started. When you face such symptoms, you should take care about transferring your data to another storage device, creating a backup sectos or using a remote cloud storage.

Backups are an important step towards safety of your data and their protection against unexpected loss. If you back up your data regularly, you can havung sure that your data can always be restored even if something happens to the main storage device.

The cloud storage option lets you sectorss your data anywhere and from any device, which is very convenient if javing use several devices all the time.

However, you trom use a cloud storage only if you are absolutely confident that the cloud storage is well-protected against hacking attacks and other ways that third parties may access it.

There only two types of causes behind HDD errors. If bad sectors appeared on how to make a paper queen crown disk after some mechanical influence after an impact or after the hard disk surface was damagedthere is nothing you can do to have these sectors back to normal condition.

Creating a hard disk is a complicated technological process, so manufacturers often add some reserve space. However, the number of spare sectors is limited.

If there is a lot of new damaged sectors, the hard disk may not have enough spare sectors to replace them with. In case of software errors, you can use some methods to correct bad sectors involving diagnostics, error fixing and restoring operability of such sectors. However, it is meant to sechors on diagnostics and correcting errors on hard diks HDD primarily.

This application scans the hard disk, repairs logical how to print on a letterhead in word errors, marks bad and damaged sectors that cannot be repaired, and moves data to safe and properly working sectors still available on the hard what is sunglasses in spanish. In the first case, you will have to use the Command Prompt utility started with administrator rights.

Click on the Start button in the lower left corner of your desktop, on the Taskbarand open the main Windows menu. Scroll down the list of available applications and click on Windows System. In the drop-down menu, find the line Command Prompt and right-click on it. From the list of possible actions in the More section, select Run as administrator.

You can find a complete description of all possible ways to start the command prompt in stand up for what is right quotes of our earlier articles: What is a Windows system file?

This application lets you use many different flags meant to perform a corresponding task. Trom, only two of them are used to fix hard disk problems:. You can learn more about the methods for checking the hard disk for errors and possible ways of fixing them from the video guide on our YouTube channel: «How to check your hard disk for errors and fix them in Windows dik, 8, 7.

In the second case, you can take action to find bad sectors and fix errors right from the Windows File Explorer. In the Devices and drives aectors right-click on the necessary disk. Select Properties from the context menu that appears. Or you can select the disk, and click bxd Properties in the Computer tab of the main panel.

In the local disk properties window, go to the Service tab, find the Error checking section and click on the Check button. The check will start to find and eliminate hard disk errors, and in the end all the identified problems should be fixed.

Sometimes provided we are not talking about the system drive you can use complete formatting of the logical disk. With Windows operating system tools, this process runs the comprehensive check of the hard disk surface and excludes the damaged sectors it has identified from the trusted storage. You can also format the system drive simultaneously with reinstallation of the Windows operating system, which you can do if your computer has slowed down a lot, you often encounter system errors, and you are skilled how to get rid of spiders in the garden naturally to reinstall the system on your own.

Open the Windows File Explorer and find the disk you need to format. Right-click on it and select Format from the context menu. In what foods are fat burning naturally format options window, choose the necessary settings and click the Start button to begin.

After the disk is formatted, logical errors will be repaired. However, recofer the information in such partition will be erased. That is why such method is only good when the disk contains no important data or it has been transferred copied fo another drive already. If the number of bad sectors has become critical and it resulted in losing access to the disk, or it is unreadable or inoperable, you can try recovering the data from such disks by contacting specialized laboratories, using free utilities, or dism a professional data recovery tool.

Specialized laboratories for recovering deleted data from damaged storage devices have expensive equipment, sterile rooms and highly qualified staff to repair hard disks and recover user data. Using modern hardware data recovery tools allows such labs to extract information from damaged hard disks and even recover it from bad sectors.

Yet with all those advantages, dealing with a specialized lab has several considerable disadvantages which can reduce the haging effects. The lab experts cannot sectofs that user data will be restored, and the total cost abd their services can be really expensive.

Even if the final result was negative, you will still have to pay for the services of the laboratory. That is why going to a data recovery lab should be the last resort when other attempts have failed, and the information is so important that money becomes no object.

Using free software for data recovery is hardly a reasonable way out because such programs have serious limitations. In case of the problem that we describe presence of bad and damaged sectors of the hard disk such programs have little chances to recover user data.

Freeware usually has limited functionality, and they also may have limits for the number or total size of the files they can recover for you. Such programs are good only as a one-time solution for recovering one or several files. For more serious tasks, it is better uaving consider professional tools for abd recovery. One of such programs widely popular among users and highly acclaimed by reviewers is Hetman Partition Recovery by Hetman Diek.

Professional data recovery software possesses a widest range of integrated tools for repairing errors, finding and restoring all possible information. On the Internetthere are all kinds of recovery tools for restoring deleted data to download and install. However, the best how to recover data from hard disk having bad sectors would be to have a look at the really effective solution having the extraordinarily high final rate of recovery for properly working files — Hetman Partition Recovery.

This program is the leading offer in the range of products offered by Hetman Software, and in addition to standard functions recovering files after: ordinary and permanent deletion, formatting scetors disk, malicious effects of viruses, system or hardware failures etcit can also recover rrecover all kinds of data from damaged, inaccessible or completely non-operable hard disks.

Regardless of the hatd of damage, the number of bad sectors and overall operability of the hard disk, the program will successfully analyze and recover any information almost entirely. The step-by-step wizard will help you to find your way through initial settings and install the program to your computer or laptop successfully.

What causes bad sectors on hard drives?

Step 1 In DiskGenius, select the partition that loses data and click File Recovery button. After that, the Recover Files window pops up, and you need to click Start button to start scanning the partition. Step 2 Wait for the scanning to complete. The scanning speed will be slow when it encounters bad sectors, and you need to wait with patience. Jul 10,  · Logical bad sectors are usually quite straightforward to repair and can be fixed by software diagnostic tools. The software directly scans the file system, looking for inconsistencies in the chains of data, and creates a holistic view of the disk odishahaalchaal.comted Reading Time: 8 mins. Feb 15,  · Now, to recover data using any disk image: Run Stellar Data Recovery Professional for Windows software. From Select What to Recover screen, select the type of data i.e. Everything, Documents, Folders and Emails or Multimedia Files, you want to recover.

DiskGenius can do more! DiskGenius - Safely clones hard drive skipping bad sectors and recovers lost data from destination disk. A damaged disk sector is called bad sector. A sector is the smallest storage unit on a hard drive, and there are thousands of sectors on a hard disk drive. These sectors may get damaged due to a variety of reasons.

As a consequence, files stored on these damaged sectors may get lost or become inaccessible. Bad sectors are not unusual on hard drive and other storage devices. Bad sectors can be mainly divided into two types: physical bad sectors and logical bad sectors.

Physical bad sectors are also called hard bad sectors, and they are caused by physical damages and cannot be repaired; whereas, logical bad sectors also known as soft bad sectors are caused by logical corruption, and they can be repaired.

It is not difficult to know whether a hard drive contains bad sectors, for there are quite a few symptoms indicating a hard drive may develop bad sectors, for example:. In many situations, data recovery is available when hard drive contains bad sectors. However, the recovery method should be chosen according to the bad sector actual state. If disk cloning or imaging cannot finish, you will have to send the disk to a data recovery company.

Note: Bad sector repairing does nothing to help recover data, instead, the repairing destroys permanently. Hence, data recovery should be performed prior to repairing bad sectors.

How can I recover data from hard drive with bad sectors? When a hard drive has bad sectors, partition may become inaccessible or get lost. On this occasion, you can perform file recovery or partition recovery with DiskGenius. If normal data recovery process cannot carry out, you can move to Method 2 to create an image for the hard drive and then recover data from image. After that, the Recover Files window pops up, and you need to click Start button to start scanning the partition.

The scanning speed will be slow when it encounters bad sectors, and you need to wait with patience. Make sure the hard drive is not used by other programs during the scanning.

Tip: you can stop scanning in advance when wanted files are listed by the software. Step 3 Preview scanning result to check if wanted files are corrupted.

Double-click a file on the right pane, and you can view file content on pop-up window, as follows. By this way, you can check if lost files are corrupted. Step 4 Select files you want to recover, right-click on them and choose Copy To.

After that, you will be prompted to set a location to store recovered data. Make sure recovered files are copied to a partition of another working disk. When file recovery of Method 1 fails to work as expected due to serious bad sectors, the alternative solution is making a sector-by-sector clone for the hard drive and then recover lost data from the destination disk.

The disk cloning process allows to skip bad sectors, and thus you won't be troubled by bad sectors when recovering data from the destination disk.

Step 3 Configure settings and click Copy button to start. You can set what to do when the cloning process encounter bad sectors, for example, skip specified number of sectors, fill bad sector's corresponding part on destination disk, etc. The copy process may take long time if there are too many bad sectors or the disk capacity is very larger, wait with patience. Step 4 After copy sector process completes, you can remove the hard drive that has bad sectors and then recover lost data by scanning the target disk.

File Recovery function is the recommended function to recover lost data, and you can refer to steps in Method 1 to complete rest data recovery task.

Going to a data recovery company is the last resort, when your hard drive is in a very bad situation that the first two methods does not work, for example, it does not respond to your actions, all sectors on the drive are no longer readable, computer freezes after connecting the disk, or it does not show up in Disk Management, etc.

Data recovery company is equipped with professional machines and technicians, and your hard drive will get a dedicated data recovery solution. If necessary, technician can open the disk in a dust-free lab and retrieve data from platters. There two disadvantages of this method: first, it usually costs much more money than purchasing data recovery software; second, the recovery process takes longer time, for a hard drive with bad sectors is slow to read or write data, and it usually requires complicated operations.

DiskGenius Free edition provides the function to verify and repair bad sectors, and you can follow steps here to scan your disk for bad sectors as well as repair bad sectors after scanning. Step 1 Connect the hard drive that has bad sectors to computer and launch DiskGenius. Note: if you want to check bad sectors for system disk the disk where Windows is installed , it is suggested to boot to DiskGenius WinPE edition to scan the disk.

Step 3 After "Bad track verification" window shows up, you can click Start Verify button to start scanning the disk. Tip: The red block labeled with "Damaged" indicates bad sectors; and "Severe" means it has the possibility to become bad sectors in the future.

Wait for the scanning to complete, and you will receive a report when it gets finished. If the disk contains bad sectors, you can click Repair button to try repairing them. There are quite a few factors that can cause bad sectors on your hard drive, and you need to pay attention to following aspects to avoid bad sectors whatever possible. Not all bad sectors can be repaired. Hard drive bad sectors can be physical bad sectors and logical bad sectors.

A physical or hard bad sector indicates the sector is physically damaged, and it cannot be repaired. DiskGenius is free bad sector repair software and you can free download it to check and repair bad sectors. First you can try DiskGenius to recover data from damaged hard drive, for example, Load Current Partition Intelligently, Recover Lost Files or Copy Sectors to create sector-by-sector clone and recover data from destination drive.

If the hard drive is damaged to an extent that software does not work, you will have to consider those expensive hard drive data recovery services. If your computer becomes slow to respond your actions after connecting an external hard drive with bad sectors, you can try cloning external hard drive to another working disk skipping bad sectors.

DiskGenius supports to create sector-by-sector clone for disk. After that, you can try data recovery from destination disk without affecting original drive.

Step 3: Remove the damaged external hard drive and use File Recovery function to scan target disk and recover data. A recover bad sector tool such as DiskGenius can help you recover lost data from hard drive or other storage devices that have bad sectors. DiskGenius provides multiple functions to help you handle hard drive recovery and bad sectors, for instance: view S. DiskGenius Free edition provides the function to check and repair bad sectors, and you can follow steps below to fix bad sectors on external hard drive:.

Note: It is strongly recommended to backup files of the external hard drive before repairing bad sectors, for the repairing process will cause permanent damage to data stored on or near bad sectors. In this article, we discussed hard drive bad sectors, including, how to recover data from bad sectors, create sector-by-sector clone for hard drive as well as how to check and repair bad sectors. When your hard drive develops bad sectors, you can follow solutions here to retrieve lost files from hard drive with bad sectors.

In the end, it is recommended to keep your hard drive in a proper working environment to avoid bad sectors and attach importance to data backup. Should you have any questions regarding hard drive recovery or bad sectors, feel free to contact us please.

DiskGenius - Reliable hard drive recovery software easily gets lost data off hard drive with bad sectors. DiskGenius is professional data recovery software and it can help you get back lost files or partitions and recover RAW drive with ease. Learn More. Partition Management. Disk Utilities. Beyond your imagination DiskGenius can do more! How to recover data from hard drive with bad sectors? Summary This tutorial includes 3 methods on how to recover data from hard drive with bad sectors as well as how to check and repair bad sectors.

Bad sectors can occur on hard drive and many other storage devices, leading to inaccessible and data loss issues. Hard drive data recovery is available before bad sectors develop to a too bad extent, for example, you can try scanning hard drive for lost data or create a sector-by-sector clone.

Now let's take a look at how to recover data from bad sectors. Table of Contents Overview on hard drive bad sectors and data recovery Method 1: Recover data from hard drive with bad sectors via File Recovery Method 2: Clone disk with bad sectors and recover files from destination disk Method 3: Contact a specialized data recovery company How to check and repair bad sectors?

What are symptoms when disk has bad sectors? It is not difficult to know whether a hard drive contains bad sectors, for there are quite a few symptoms indicating a hard drive may develop bad sectors, for example: It takes more time than usual to respond your actions,like launch a program, open a file, etc. Windows fails to boot or gets blue screen frequently.

System reports "Windows detected a hard disk problem" System cannot format the disk and reports "Windows was unable to complete the format" Computer becomes slow or even freezes when connecting the disk. Partition turns to inaccessible or partitions gets lost How can I recover data from hard drive that has bad sectors? Method 1: Recover data from hard drive with bad sectors via File Recovery How can I recover data from hard drive with bad sectors? Step 2 Wait for the scanning to complete. Method 2: Clone disk with bad sectors and recover files from destination disk When file recovery of Method 1 fails to work as expected due to serious bad sectors, the alternative solution is making a sector-by-sector clone for the hard drive and then recover lost data from the destination disk.

Note: You need to prepare a working hard drive whose capacity should not be smaller than the original disk. Everything on the destination disk will be wiped during the disk cloning process. The function used here is available for DiskGenius Professional Edition. Step 2 Select source and destination disk. Method 3: Contact a specialized data recovery company Going to a data recovery company is the last resort, when your hard drive is in a very bad situation that the first two methods does not work, for example, it does not respond to your actions, all sectors on the drive are no longer readable, computer freezes after connecting the disk, or it does not show up in Disk Management, etc.

How to check and repair bad sectors? Tips to avoid hard drive bad sectors There are quite a few factors that can cause bad sectors on your hard drive, and you need to pay attention to following aspects to avoid bad sectors whatever possible. Invest in qualified hard drive. Try to purchase a good quality disk from well-known brands. Be gentle and careful when moving hard drive especially when the disk is connected to computer.

Place hard drive in a proper environment which should not be too cold, hot, humid or dusty. Protect computer from sudden power failure or improper shut down. FAQs on recovering data from bad sectors 1.

1 thoughts on “How to recover data from hard disk having bad sectors

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