There are two types of bad sectors – physical bad sector and logical bad sector. When there are more bad sectors than the mount stated that is allowed by the manufacturer, the hard drive will stop working. If the sector is damaged, all data on this bad sector may lose and it will be no longer reliable for storing data and files.
How to Keep Data Safe When Bad Sectors on Hard Drive?Ī bad sector, also called a bad block, is an area of the storage device that is permanently damaged. How to Check the Disk and Mark the Bad Sector?. What can you do if your hard disk has a bad block and how to repair bad sectors on hard drive? This post will show you what bad sector is and how to repair bad sector on hard drive. Bad sector refers to a disk sector on a disk storage unit that is permanently damaged. To repair errors, bad sectors, and readable information, at the command prompt, type chkdsk volume:/r, and then press. To repair errors without scanning the disk for bad sectors, at the command prompt, type chkdsk volume:/f, and then press. To run Checkdisk in read-only mode, at the command prompt, type chkdsk, and then press. 
Open the command prompt and type cmd in the search box then click OK.Check disk can also run using the command line (DOS) prompt.When prompted Are you sure?, press, and then press.Type Fixboot x:, where x is the drive letter of the partition the computer is logged into, and press.When prompted Are you sure?, press, and then press.
Right-click cmd.exe in the search results and then select Run as Administrator. Open the command prompt and type cmd in the search box. CHKDSK can also run using the command line (DOS) prompt. The computer will reboot and check the disk before Windows Vista boots up. If checking a hard drive with open files, an error message appears stating Windows can’t check the disk while it’s in use. Click the Start button to start the process. To perform a complete check of the hard drive for errors, check off both options in the pop-up check disk window. Click on the Tools tab in the Properties window. Right-click the drive to perform a check disk and then, select Properties. Click Start and then click My Computer. Run CHKDSK in Microsoft Windows 10, Windows 8.1, and Windows 7 The final section explains how to troubleshoot errors you might encounter running the CHKDSK program. The following sections explain how to run the Check Disk option in Windows XP, Vista and 7. For more comprehensive information, see the Microsoft article Chkdsk which discusses CHKDSK options and parameters in detail. This topic covers the most frequently used aspects of CHKDSK . See the Troubleshooting Check Disk section at the end of this topic for more details. Interrupting CHKDSK by restarting the system can result in the creation of additional errors. Warning: Do not interrupt CHKDSK while it is running unless certain that the program has frozen or shows an error message.
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