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Many downloads like Hdd Bad Sector Repair Tools may also include a crack, serial number, unlock code, cd key or keygen (key generator). If this is the case it is usually found in the full download archive itself. Reviving a hard drive to use with your Mac is a fairly simple process, although not a short one. In this step-by-step guide, we'll show you how to breathe a bit of life back into an old hard drive, or one that has been giving you some problems. This article provides the best bad sector repair solutions which allow you to fix or repair bad sectors and recover data from hard disk with bad sectors. Try the bad sector removal methods below to remove bad sectors from hard disk or external USB devices without formatting or losing data. Basics of Mac - How to recover permanently deleted/ lost files on a macbook air, pro, Mac OSX - Duration: 9:36. Carl Saptarshi 218,405 views. Correcting bad sectors may or may not be possible depending on the type of damage (Logical vs. Logical bad sectors may be repaired by means of software, however, a deep-clean (Write zeros) may be more effective at repairing both physical and logical sectors.

Revive a Hard Drive for Use With Your Mac

Reviving a hard drive to use with your Mac is a fairly simple process, although not a short one. In this step-by-step guide, we'll show you how to breathe a bit of life back into an old hard drive, or one that has been giving you some problems.

What You Will Need

Utilities. We're going to use two readily available drive utility applications. The first, Disk Utility, comes free with your Mac. The second, Drive Genius 4, is available from Prosoft Engineering, Inc. You don't need both utilities. We tend to use Drive Genius because it's quite a bit faster than Disk Utility at many tasks. But you can accomplish the same tasks with Disk Utility; it may just take a little longer.

A hard drive. You will obviously need a hard drive since our goal is to revive a drive and turn it into a reasonably reliable device that you can use for storage. We say 'reasonably' reliable, because we don't know what state your drive is in. It could be a drive you've been using all along, but it's been causing minor errors, and you've decided to replace it before it starts creating bigger or more damaging errors. It could be an old drive that's been gathering dust for a while, and who knows what quirks it may or may not be hiding under the hood? Or it could be a drive that has apparently given up the ghost, consistently causing drive errors, but you're determined to give it one last shot at redemption.

Whatever the state of the drive, keep one thing in mind. You probably shouldn't count on it as your primary storage system, including using it as your startup drive or as a backup drive. It will, however, make a great secondary drive. You can use it to hold temporary data, use it for data scratch space, or have fun installing the operating systems you want to try out.

A current backup. The process we're going to use will erase the drive, so any data that's on the drive will be lost. If you need the data, be to sure to back it up to another drive or other storage media before proceeding. If the drive is preventing you from backing up the data, you'll need to recover the data before you try to revive the drive. A number of third-party data recovery utilities are available, such as Data Rescue, Techtool Pro, and Disk Warrior.

Reviving a Hard Drive - Install a Drive in an External Enclosure

We're going to start the rejuvenation process by installing the hard drive in an external enclosure, which will make the job a bit easier. By placing the drive in an external enclosure, we can run all of our drive utilities from the Mac's startup drive. This will allow the utilities to work a bit faster, and avoid having to boot from a DVD or other startup device, which we would have to do if you were trying to revive your Mac's internal startup disk.

That being said, you can still use this process on your startup drive. Just keep in mind that we won't be including the steps to boot from another startup drive. More importantly, don't forget that this process will completely erase the drive that we're reviving.

The Type of Enclosure to Use

It doesn't really matter what type of enclosure you decide to use. Any enclosure that accepts your drive's interface should work fine. In all likelihood, the drive you're reviving uses a SATA interface; the specific type (SATA I, SATA II, etc.) doesn't matter, as long as the enclosure can accommodate the interface. You can connect the enclosure to your Mac using USB, FireWire, eSATA, or Thunderbolt. USB will provide the slowest connection; Thunderbolt the fastest. But aside from speed, the connection doesn't matter.

We used a handy external drive dock that lets us plug in a drive without any tools, and without having to open an enclosure. This type of drive dock is intended for temporary usage, which is exactly what we're doing here. You can, of course, use a standard enclosure. In fact, that may be a better choice if this drive is destined to spend the rest of its working life as an external drive connected to your Mac.

You can find out more about external drive enclosures in our guide:

We also have general instructions about building your own external drive.

There's one more reason why we like to perform this task with the drive connected to the Mac externally. Since the drive may have some issues, using an external connection ensures that it can't damage any internal interface components. This is just another of our 'don't take any chances' approaches that some may think is excessive.

Reviving a Hard Drive - Erasing and Scanning for Bad Blocks

With the patient, er, drive hooked up to your Mac, we're ready to start the revival process.

The first step is a simple erasure of the drive. This will confirm that the drive can respond to and perform basic commands. Later, we will be performing steps that will take a great deal of time, so we want to be sure up front that it's worth spending time and trouble on the drive. Erasing the drive is an easy way to find out.

Mount the Drive

1. Make sure the drive is powered on and connected to your Mac.​
2. Start up your Mac, if it isn't already running.​
3. One of two things should happen. The drive will appear on the Desktop, indicating that it mounted successfully, or you'll see a warning message about the drive not being recognized. If you see this warning, you can ignore it. What you don't want to want is Door #3, where the drive doesn't show up on the Desktop and you don't see any warning. If that happens, try shutting down your Mac, powering off the external drive, and then restarting in the following order.
   1. Turn the external drive on.
   2. Wait for the drive to get up to speed (wait a minute for good measure).
   3. Start up your Mac.
   4. If the drive still doesn't appear, or you don't get the warning message, there are still a few more things you can do. You can try shutting down the Mac, and changing the external drive to a different connection, using a different USB port, or changing to a different interface, such as from USB to FireWire. You can also swap out the external for a known good drive, to confirm that the external case is working correctly.

If you still have problems, then it's unlikely that the drive is a candidate for revival.

Erase the Drive

The next step assumes that the drive appeared on the Desktop or you received the warning message mentioned above.

Unplug any other external drives you may have connected to your Mac before you proceed. You don't want to accidentally erase the wrong drive.

1. Launch Disk Utility, located at /Applications/Utilities.
2. In Disk Utility's list of drives, locate the one you are attempting to revive. Externals usually show up last on the list of drives. If you are unsure which drive is which, simply unplug the external drive and see which one disappears from the list. Then plug it back in again to confirm it reappears. The last thing you want is to erase the wrong drive.
3. Select the drive; it will have the drive size and manufacturer's name in the title.
4. Click the Erase tab.
5. Make sure the Format drop-down menu is set to Mac OS Extended (Journaled).
6. Give the drive a name, or use the default name, which is Untitled.
7. Click the Erase button.
8. You will be warned that erasing a disk deletes all partitions and data. Click Erase.
9. If all goes well, the drive will be erased and will appear in the Disk Utility list with a formatted partition with the name you created, above.

If you receive errors at this point, then the chances of the drive successfully completing the revival process are diminished, although not completely gone. But be aware that the next steps are very long, and drives that fail at being erased in the step above are more likely to fail in the next step as well (some will make it through and be usable).

Scanning for Bad Blocks

This next step will check every location of the drive and determine that each section can have data written to it, and the correct data read back. In the process of performing this step, the utilities we use will also mark any section that is unable to be written to or read from as a bad block. This prevents the drive from using these areas later.

All drives, even brand new ones, have bad blocks. Manufacturers expect drives to not only have a few bad blocks but to develop them over time. They plan for this by reserving a few extra blocks of data that the drive can use, essentially swapping a known bad block of data with one of the reserved blocks. This is the process we're going to force the drive to undertake.

This is a destructive test and will likely lead to loss of any data on the drive being tested. Although you would have erased the drive in the previous steps, we just want to take the time to reinforce this test should not be done on drives that contain data you need.

We're going to show you two ways to do this, using two different drive utilities. The first will be Drive Genius. We prefer Drive Genius because it's faster than the method that Apple's Disk Utility uses, but we will demonstrate both methods.

Scanning for Bad Blocks With Drive Genius

1. Quit Disk Utility, if it's running.
2. Launch Drive Genius, usually located at /Applications.
3. In Drive Genius, select the Scan option (Drive Genius 3) or Physical Check (Drive Genius 4).
4. In the list of devices, select the hard drive you're attempting to revive.
5. Place a check mark in the Spare Bad Blocks box (Drive Genius 3) or Revive damaged areas (Drive Genius 4).
6. Click the Start button.
7. You will see a warning that the process can cause data loss. Click the Scan button.
8. Drive Genius will start the scan process. After a few minutes, it will provide an estimate of the time needed. In most cases, this will be anywhere from 90 minutes to 4 or 5 hours, depending on the drive size and the speed of the drive interface.
9. When the scan is complete, Drive Genius will report how many, if any, bad blocks were found and replaced with spares.

If no bad blocks were found, the drive is ready to use.

If bad blocks were found, you may want to go on to the optional drive stress test on the next section of this guide.

Scanning for Bad Blocks with Disk Utility

1. Launch Disk Utility, if it isn't already running.
2. Select the drive from the list of devices. It will have the drive size and manufacturer's name in the title.
3. Click the Erase tab.
4. From the Format drop-down menu, select Mac OS X Extended (Journaled).
5. Give the drive a name, or use the default name, which is Untitled.
6. Click the Security Options button.
7. Select the option to overwrite the drive with zeros. In Lion, you do this by moving the slider from Fastest to the next indent to the right. In Snow Leopard and earlier, you do this by selecting the option from a list. Click OK.
8. Click the Erase button.
9. When Disk Utility uses the Zero Out Data option, it will trigger the drive's built-in Spare Bad Blocks routine as part of the erasure process. This will take quite a while; depending on the size of the drive, it can take as little as 4-5 hours or as much as 12-24 hours.

Once the erasure is complete, if Disk Utility shows no errors, the drive is ready to use. If errors occurred, you probably won't be able to use the drive. You can try repeating the entire process, but it will take a great deal of time, and the chances of success are slim.

Reviving a Hard Drive - Drive Stress Test

Now that you have a working drive, you may wish to put it in service right away. We can't say we blame you, but if you're going to be committing important data to the drive, you may wish to run one more test.

This is a drive stress test, sometimes referred to as a burn-in. The purpose is to exercise the drive, by writing and reading data from as many locations as possible for as much time as you can spare. The idea is that any weak spot will show itself now instead of sometime down the road.

There are a few ways to perform a stress test, but in all cases, we want the entire volume to be written to and read back. Once again, we will use two different methods.

Stress Test With Drive Genius

1. Launch Drive Genius, usually located at /Applications.
2. In Drive Genius, select the Scan option (Drive Genius 3) or Physical Check (Drive Genius 4).
3. In the list of devices, select the hard drive you are attempting to revive.
4. Place a check mark in the Extended Scan box (Drive Genius 3) or Extended check (Drive Genius 4).
5. Click the Start button.
6. You will see a warning that the process can cause data loss. Click the Scan button.
7. Drive Genius will start the scan process. After a few minutes, it will provide an estimate of the time needed. In most cases, this will be anywhere from a day to a week, depending on the drive size and the speed of the drive interface. You can run this test in the background while you use your Mac for other things.

When the test is complete, if no errors are listed, you can feel confident that your drive is in very good shape and can be used for most activities.

Stress Test With Disk Utility

1. Launch Disk Utility, if it isn't already running.
2. Select the drive from the list of devices. It will have the drive size and manufacturer's name in the title.
3. Click the Erase tab.
4. Use the Format drop-down menu to select Mac OS X Extended (Journaled).
5. Give the drive a name, or use the default name, which is Untitled.
6. Click the Security Options button.
7. Select the option to overwrite the drive with DOE-compliant 3-pass secure erase. In Lion, you do this by moving the slider from Fastest to the second indent to the right. In Snow Leopard and earlier, you do this by selecting the option from a list. Click OK.
8. Click the Erase button.
9. When Disk Utility uses the DOE-compliant 3-pass secure erase, it will write two passes of random data and then a single pass of a known data pattern. This will take anywhere from a day to a week or more, depending on the size of the drive. You can run this stress test in the background while you use your Mac for other activities.

Once the erasure is complete, if Disk Utility shows no errors, you're ready to use the drive knowing it's in great shape.

Updated: May 29, 2019 Home » Freeware and Software Reviews » SSD, HDD, RAM & Flash Memory

Bad sectors are basically sections of the hard disk that is inaccessible by the drive due to corruption or physical damage (not repairable via software) of the disk, they are possibly caused when the hard disk was dropped during operation. Because of that particular section is in accessible, it can cause the operating system to crash (Blue Screen of Death, aka BSOD), files missing for no reasons or frequent application crashing.

Alternative Article ➤ 20 Free Bad Sector, Corrupted, Damaged Hard Disk Data Recovery

If the bad sector is due to physical damage, the only solution is to backup the hard disk and replace it. If it is due to software corruption and it effects the MBR (Master Boost Record), it can be easily fix with a HDD regenerator software. Every Microsoft Windows come with a tool to check for system error due to bad sector. You can help solve some computer problems and improve the performance of your computer by making sure that your SSD or HDD hard disk has no errors.

Depending upon the size of your hard disk, this may take several minutes. For best results, don’t use your computer for any other tasks while it’s checking for errors. To perform this task, right click ‘C’ drive, go to ‘Properties’, then select ‘Tools’ tab and click on the ‘Check’ button.

↓ 01 – Data Lifeguard Diagnostic by WD | Windows and macOS

[ For Western Digital Hard Disk Only ] This is a Windows version of the Data LifeGuard Diagnostics. It will test WD internal and external drives. In additional, it can provide you with the model and serial of WD drives attached to the system. You will see the following options:

• Quick Test – performs SMART drive quick self-test to gather and verify the Data Lifeguard information contained on the drive.
• Extended Test – performs a Full Media Scan to detect bad sectors. Test may take several hours to complete depending on the size of the drive.
• Write Zeros – writes zeros to the drive with options of Full Erase and Quick Erase. File system and data will be lost.
• View Test Results – displays the latest test results.

My Book AV-TV, My Book, My Book Duo, My Book Pro, My Book, My Book Duo, WD Elements Portable, WD Elements Desktop, WD AV, WD Blue, WD Black, WD RE / WD RE4, WD Red, WD S25, WD Se, WD Purple, WD Red Pro, WD Ae, WD Re+, WD Gold, WD Blue (Mobile), WD Black (Mobile), WD Red (Mobile), G-RAID Studio, WD Black SSHD, WD Blue SSHD, WD Laptop Mainstream , WD Desktop Mainstream , WD Desktop Performance, My Passport Air, My Passport Pro, My Passport Ultra Metal, My Passport Ultra (WD Backup), My Passport, My Passport SSD, My Passport Ultra, My Passport (Works with PlayStation 4), WD Elements SE, My Passport Ultra (USB-C), My Passport Ultra for Mac (USB-C), WD Gaming Drive (Works with PlayStation 4) .

↓ 02 – SeaTools by Seagate | Windows and DOS

[ For Seagate Hard Disk Only ] SeaTools for Windows is a comprehensive, easy to use diagnostic tool that helps you quickly determine the condition of the disk drive in your external hard drive, desktop or notebook computer. It includes several tests that will examine the physical media on your Seagate, Maxtor or Samsung disk drive and any non-Seagate disk drive. SeaTools for Windows should run on both internal and external hard drives.

Bad Sector Repair Tool

After testing, a large percentage of the drives returned to Seagate for warranty replacement are perfectly good drives with “No Problem Found” (NPF). Returning a drive for warranty service means system downtime and inconvenience for you in packing and returning your drive product. Before you send in a drive, it is in your best interest to determine if a replacement drive is really necessary. This hard disk diagnostic utility will help you make that determination and possibly save you time and money and preserve your data. Some typical reasons for No Problem Found are:

• File System Corruption
• Driver Corruption
• Broken Master Boot Record
• Virus and Trojan Attack
• Spyware, Adware and Keystroke loggers
• Hardware Conflicts

In addition to diagnostics tests, SeaTools also offers several features to help you manage your storage product. Seagate Instant Secure Erase is available for Self Encrypting Drives (SED), providing U.S government accepted media sanitization. See section 3.Advanced Tests and Features.

↓ 03 – Check Disk | Windows

CheckDisk is a powerful tool for searching and repairing disk errors. It is quite similar to the ScanDisk tool or chkdsk.exe, supplied with the Windows operating systems (Windows 2000,XP,Vista,7,8,10 Server 2012 (possible 2016) and admin right). You can select either standard or full tests.

The full test additionally performs a sector check. It is capable of finding bad sectors on your disk and marking them as such. The program works both with hard disks (including SCSI and RAID) and removable media. Work on CD too. With german manual. Multilingual: English, German, Czech, Spanish, French, Italien, Polish, Japan, Slovak, Chinese and Norwegian.

↓ 04 – HDDScan | Windows

HDDScan is a freeware software for hard drive diagnostics (RAID arrays servers, Flash USB and SSD drives are also supported). The program can test storage device for errors (Bad-blocks and bad sectors), show S.M.A.R.T. attributes and change some HDD parameters such as AAM, APM, etc.

Supported storage devices – IDE (ATA) and SATA HDD, SCSI (SAS) HDD, External USB drives and all major USB boxes (see Appendix A), FireWire or IEEE 1394 HDD (see Appendix A), RAID volumes made of ATA (IDE) / SATA / SCSI HDDs (surface tests only), USB Flash (pen drives) – surface tests only, and SATA / ATA SSD – solid state drives.

• Reading and analyzing identity information from ATA/SATA/USB/FireWire/SCSI HDD.
• Changing AAM, APM, PM parameters on ATA/SATA/USB/FireWire HDD.
• Reporting defect information on SCSI HDD.
• Spindle start/stop function on ATA/SATA/USB/FireWire/SCSI HDD.
• Reports can be saved in MHT format.
• SSD SMART and Identity reports.

↓ 05 – EaseUS Partition Master (Surface Test Feature) | Windows

EaseUS Partition Master, its Surface test is available for computer users. It can identify bad sectors by reviewing the hard drive. When it finds bad sectors, it will mark those sectors as bad with red color so that the system knows not to use them. It may allow them to be read, in case the data stored on the bad sector is still accessible, but they cannot be written to.

↓ 06 – Macrorit Disk Scanner | Windows

Bad Sector Repair Tool For Mac

Hard disk bad sector is the most common problem and the disk is not safe to store data any longer. Bad sector will cause the important data loss and blue screen error sometimes, and even slow disk space. Macrorit Disk Scanner is a third party disk surface portable tool for scan disk bad sectors which provides you with better options and better performance than Windows native disk scanner.

With the fastest algorithm, this disk scanner free software usually could reach to the maximum speed that supported by the device. It is compatible with all recent versions of Microsoft Windows – both client and server, and supports major storage device types such as IDE and SATA HDD and SSD, SCSI, FireWire, hardware RAID, flash cards and a lot more.

• Supported Storage Devices: DE HDD, SATA HDD, SCSI HDD, FireWire HDD, SSD, USB HDD, External HDD, Hardware RAID, Floppy drive, USB flash drive, Compact flash card, Secure Digital card, Memory card/Memory stick, Micro card, Zip drive, IPod, Other storage devices
• Supported OSs: Windows Server 2003/2008/2012, SBS 2003, 2008, 2011,2012, Home Server 2011 & Windows XP, Vista, 7, 8 (Both 32& 64 bit)

↓ 07 – Abelssoft CheckDrive | Windows | Free/EUR10

CheckDrive works as a “Disk Doctor” to scan for symptoms: typical hard disk failures. If issues are discovered, the tool acts immediately. If the error is not repaired in time, the affected computer can work unstable and crash frequently. The worst case occurs when hard drives fails completely – and the user suffers a lot when all the data stored is lost forever. CheckDrive analyses all the hard drives installed the computer, in order to increase the security of the data storage. The tool displays the so-called S.M.A.R.T. data and other functions and also calculates the health status of the hard disks.

Toshiba Bad Sector Repair Tools

• Check hard disks for errors – CheckDrive offers you an easy way of checking your PCs hard drives for errors. Even Solid-state drives (SSD) are supported.
• Shows drive information – CheckDrive shows info about your drives and determines if your hard drive needs to be cleaned or defragmented.
• Monitors hard disks in real-time – The CheckDrive Background Guard monitors all the time the values of your hard drives.

↓ 08 – GSmartControl | Windows | macOS | Linux | Free

Western Digital Bad Sector Repair Tool

Hard disk drive and SSD health inspection tool. GSmartControl is a graphical user interface for smartctl (from smartmontools package), which is a tool for querying and controlling SMART (Self-Monitoring, Analysis, and Reporting Technology) data on modern hard disk and solid-state drives. It allows you to inspect the drive’s SMART data to determine its health, as well as run various tests on it.

Bad Sector Repair Tool Free Download

• Automatically reports and highlights any anomalies.
• Allows enabling/disabling SMART.
• Allows enabling/disabling Automatic Offline Data Collection – a short self-check that the drive will perform automatically every four hours with no impact on performance.
• Supports configuration of global and per-drive options for smartctl.
• Performs SMART self-tests.
• Displays drive identity information, capabilities, attributes, device statistics, etc.
• Can read in smartctl output from a saved file, interpreting it as a read-only virtual device.
• Works on most smartctl-supported operating systems.

Hard Disk Bad Sector Repair Tool