Open Disk Utility. Double-click the Disk Utility app icon. It resembles a grey hard drive with a stethoscope on it. Select the hard drive you want to repair. In the upper-left corner of the window. External hard drives and USB flash drives will be listed under "External". Internal drives, such as your system drives will be displayed under "Internal". You may need to click the arrow icon to the left to expand the media device to display your hard drive. Click the First Aid tab.
It's the button that has an icon that resembles a stethoscope at the top of the Disk Utility window. You can also get into First Aid by going into Recovery mode when your Mac boots up. From there, go into utilities, then go into Utilities. From there, you can pull up First Aid. Click Run when prompted. Doing so will prompt Disk Utility to begin scanning and repairing your selected hard drive's bad sectors.
Wait for the repairs to complete. Once the Disk Utility finishes repairing your drive, you should see a pop-up explaining what was repaired.
If you don't see any repairs listed, your hard drive doesn't have any bad sectors to repair. Run Disk Utility again. For each time that a repair or series of repairs is listed, run Disk Utility again to scan for further issues.
Once Disk Utility no longer reports repairs upon completing the scan, your Mac's hard drive is fixed. Did you know you can get premium answers for this article? Unlock premium answers by supporting wikiHow.
Yaffet Meshesha Computer Specialist. Yaffet Meshesha. Support wikiHow by unlocking this expert answer. Yes No. Not Helpful 0 Helpful 0. Not Helpful 0 Helpful 7. Take a look at GParted. Not Helpful 3 Helpful 2. Include your email address to get a message when this question is answered.
Most hard drives have overflow sectors built into them, meaning that bad sectors will automatically redirect to the unused overflow sectors once they're detected. Helpful 0 Not Helpful 0.
Physically damaged hard drives should be taken into a data recovery center as soon as possible. If your hard drive has been physically damaged, stop using it immediately by turning off and unplugging your computer and removing the battery on a laptop.
You Might Also Like How to. How to. Computer Specialist. Expert Interview. The chkdsk command helps you fix hard drive by performing bad sector repair. You can also perform various other disk operations through it. Step 1 : Open Command Prompt. Another way to open it is by opening the Start menu and typing CMD ; the search result will display Command Prompt, click to open.
Step 2 : Type help chkdsk on the command prompt and press Enter. This displays the help menu of the chkdsk command. As you can see, there are various syntax that can be used with chkdsk. This will not start the scan and begin the repair immediately. As the disk volumes are in use, you are asked if you want to schedule the repair for the next time when system restarts. Press y and then press Enter.
This will start checking your hard drive as soon as the system restarts and fixes any error if encountered. This is one of the easiest and sought after ways to fix hard drive. If you do not want to be bearing the trouble of operating Command Prompt, there is a simple solution for you. To repair hard drive, open My Computer , right click on the drive which you want to scan, then click on Properties. A new window opens, click on the Tools tab there.
Click on the Check button in the Error checking section. This will initiate a checkup of the drive. If any errors or bad sectors are found, they are displayed and you are given an option to fix the errors then and there.
No PC reboot is required for this hard disk repair process. Easy Disk Drive Repair is a simple hard drive repair software for Windows. It displays all the drives connected to your computer. You can select a hard drive and click on the Start Scan button to begin scan and repair. It scans and finds out the errors to fix hard drive errors automatically. The interface displays the connected drives and also their properties.
CheckDisk is another free and simple bad sector repair software to fix hard drive on Windows. It lets you perform Standard and Throughout scans along with a scan option called Check if dirty.
EaseUS Disk Copy, a powerful disk cloning software , can skip the bad sectors and clone disk to make a full copy of your hard drive. Download and apply this disk copy software to upgrade and clone HDD with bad sectors to a healthy hard drive without effort. If your computer can't boot into your operating system, create a bootable USB in advance, and then follow the steps below to copy your data.
Remember to connect the new hard drive to the computer as a storage device. Step 1: Choose "Disk mode" and select the smaller hard drive as the source disk. Step 3: A warning message tells you that the data on the destination disk will be overwritten.
When the cloning process finishes, shut down your computer, insert the newly upgrade hard drive into your computer and replace the old drive. If it's a system drive, set the computer to boot from a new hard drive instead of the old one in BIOS. If your hard drive is experiencing one or more bad sectors, still accessible, follow our instructions to fix your problem and remove bad sectors permanently from hard disk with bad sectors repair tools.
If there only a few bad sectors on your drive, you can run CHKDSK command and format the drive to repair those bad sectors:. Replace E with the drive letter of your hard drive. EaseUS partition management software offers the simplest method to check and fix hard drive errors. You can apply its Check File System option to check and repair hard disk partition errors in Windows Just download and start EaseUS partition management software, locate the hard disk, then run the check file system.
Mostly, when your hard drive contains hard bad sectors, you cannot repair bad sectors by using normal solutions. The only possible way is to low-level format the drive, resetting the hard drive blocks, clusters, and sectors. A low-level format is also called a physical format. Modern hard drives are low-level formatted at the factory for the life of the drive.
That is to say, you can't repair a bad sector. Send your hard drive to the manufacturer or a local repair center, customize for low-level format. Choose to clone the disk with bad sectors to a good hard drive to avoid the hard disk getting worse with more bad sectors. This page provides the complete guide to help you fix bad sectors on HDD. With the two bad sector repair tools, you can efficiently fix and repair bad sectors on the hard drive, external storage devices.
In contrast to logical bad sectors, if there are physical bad sectors on your hard drive, it's almost impossible to repair your hard disk. You need to replace it with a new hard HDD. So, to avoid data loss, when you find bad sectors on your disk, be sure to use EaseUS disk clone software to copy and make a backup of your data.
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