Related Articles: Bad sector repair software

Sectors are the smallest units on the hard disk in which the data is stored. A bad sector on the hard drive is created when that particular sector goes defunct. Bad sectors may be created because of using the hard disk for a considerable amount of time. Other reason for bad sectors on hard drive is physical damage. There are many types of errors that may come up on the screen due to hard drive problems. If there are errors on the computer monitor, but there is no clicking or scraping noise from the hard disk, it may be a problem that can be resolved by using a software application. But if there is a certain noise coming from the hard drive, it may be a serious hardware issue which only needs to be repaired by a professional PC repair shop. If your hard drive is in warranty, you can get it repaired at no charge at all. If these sectors go bad, the data stored thereon is lost and cannot be accessible. However, data on other sectors of the disk will remain as it is.

I doubt you will find any software tools to 'fix' bad blocks, at least for recent hardware. I don't know when it started but some time back the ability to remap a bad sector was merged into the firmware of the hard drive.

You can use PartitionGuru software for verifying bad sectors. If it is not a hardware issue, you can try to repair it by PartitionGuru. Click the menu 'Disk' -> 'Verify or Repair Bad Tracks'. The following dialogue box will pop up:

Select a disk to be verified or detected, enter a cylinder range. Then click 'Start Verify' button, PartitionGuru will start to scan for bad sectors. If there any bad sectors found, the detail information will be shown in the dialog as the following:

During the verification process, the speed will be obviously slow down when bad sectors were found. The total number of bad tracks will be reported when the verification finished:

You can click the 'Save' button to save the detection result to a text file for later reference.

To try to fix the bad sectors just found, please click the 'Repair' button. PartitionGuru will show you the following messagebox:

Important Notice: The data stored ON or NEAR the bad sectors will be destroyed while repairing bad sectors. If there are important data stored on the disk and even on the area of bad tracks, DO NOT use this function to repair bad tracks. You should take this disk to the professional data recovery shop to recover your data. Fixing bad sectors NOT means recovering data,on the contrary, it may destroy data! In addition, NOT every bad sectors can be fixed. It just an attempt.

For data safety, it is suggested that DO NOT save important data on the disks with bad sectors. Even the bad sectors were fixed.

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For saving time, you can do bad sectors repair directly without verifying. Just click the 'Repair' button. The following message box will popup.

If a bad track was successfully repaired, a 'Repaired' mark will be displayed in the result column:

Total number of repaired tracks will be reported when complete.

A system crash or bad sectors in the hard drive can lead to corrupted files, which is why it’s crucial to always back up your data. If one of your important files gets corrupted, then sadly it’s very difficult to fix it. You simply can’t recreate data that isn’t even there.

However, there is a slight chance you may be able to fix a file if it’s a minor issue or less data got corrupted. Surely that slight chance is more than enough for you if the file is important. And to help you with that, the following are a few ways to fix damaged or corrupted files in Windows.

Change the file format

Changing a file’s format can sometimes help fix it. The file may not be able to open in its original form, but you should at least be able to access the file contents. For example, you can convert Microsoft Word documents to PDF format, or images in PNG format to JPG.

There are free online converters available for almost every file type. Just search online for “convert (your file format) to (the file format you want to convert to).” You should be able to get a good online converter to convert your file for free. Below are some popular online file converters to start with:

Use a different program

A single file format can be opened by many programs, both built-in and third-party. Additionally, each program has its own algorithm and requirements for opening a file. Your current program might not be able to open the file, but an alternative program may be able to open it. For example, a Word document can also be opened by alternative programs like LibreOffice and even Google Docs.

You should also try to look for a more comprehensive program to open the file. For example, to open a corrupted video file, try using VLC media player instead of Windows’ built-in player.

Once you have the alternative program, right-click on the file and hover your mouse cursor over the “Open with” option. The alternative program should be here. If not, then click on “Choose default program” to open all the installed applications.

Run SFC scan

SFC scan helps look for corrupted system files and fixes them automatically. If a particular system file is preventing your file from opening, or the file itself is a system file, then running SFC scan should fix it.

Press the Win + R keys and type cmd in the Run dialog to open Command Prompt. Type sfc /scannow and hit Enter. The scan will start and will take five to fifteen minutes to complete.

Run Disk Check

Sometimes a file gets corrupted if a bad sector occurs on the hard drive. Disk Check scan can look for those bad sectors and fix them. Once fixed, there is a chance your file may become accessible again.

To run Check Disk, open up Command Prompt again like we did in the above solution and type chkdsk. When you hit Enter, your hard drive will be scanned and errors and bad sectors will be automatically fixed, if possible.

Use a third-party file repair tool

This is your last hope for fixing the file. To go with this step, the file must be really important as almost all repair tools require a purchase to fully repair a file. They usually come with demos to partially repair the file, or they may only tell you whether it is repairable or not. There are different repair tools for different file types, so the following is a list of all the popular file repair tools.

Hard Disk Bad Sector Repair Tool

• File Repair: The website lists dozens of repair tools for different file formats
• Repair Toolbox: An all-in-one file repair tool
• Hetman File Repair: Can repair corrupted image files
• Digital Video Repair: A free tool to fix corrupted video files
• Zip Repair: Can repair corrupted .zip files
• Office Fix: Can fix Microsoft Office file formats, like Word or Excel files
• MP3 Repair Tool: A free tool to fix corrupted MP3 files

Final words

If you managed to fix your file using the above methods, then you are very lucky. The data that simply isn’t there can’t be repaired or recovered by any means. Furthermore, you should also immediately copy all the data to a new file to ensure nothing goes wrong again.

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