R Studio Technical Documentation. What is disk sector and bad sector, how to repair bad sector. What is disk sector In the context of computer hardware, a sector is a sub division of a track of a magnetic hard disk or optical disc. A sector stores a fixed amount of data. The typical formatting of sectors allows holding 5. What is a bad sector A sector is a small area on the surface of a hard drive or a floppy disk. Hard drives usually have several platters. The platters are the discs which are covered with magnetic material which is used to hold data. Floppy disk drives contain only one platter. Platters are divided into a set of concentric rings called tracks. A 1. 4. 4MB floppy disk has 1. Hard drives have thousands of tracks. Each of these tracks is divided into smaller storage areas called sectors. A sector is the smallest storage area on a disk. What is a Bad Sector Hard drives are contain millions of sectors. It is very normal for some of these sectors to be bad sectors, even when the drive is first manufactured. In addition, a small number of sectors will normally go bad during the lifespan of a drive. When this happens, the data in those sectors may be lost, but the data on the rest of the disk will be unaffected and the disk is still completely usable. A bad sector cannot be repaired, but it can be marked as unusable. Once marked as unusable, the Operating System will know not to attempt to store data in that bad sector. The storage capacity of the disk will be decreased by the amount of storage space in the bad sector. If your hard drive develops a bad sector, back the hard drive up immediately. WE9TZW8R7rU/ToNptPuxZAI/AAAAAAAAAFw/vYOSNN1Z6sA/s1600/hdat2.png' alt='Bad Disk Hard Repair Sector Software Store' title='Bad Disk Hard Repair Sector Software Store' />If the bad sector was caused by a faulty drive head, the problem can quickly spread to other sectors on the disk. How to repair a bad sectorFull format a partition. Right click My Computer Manage Storage Disk Management, right click the partition and select Format. Or open My Computer, right click the partition, and then select Format. Note the default format option in Windows XP is Full Format, but in Windows 7, it is Quick Format. Bad Disk Hard Repair Sector Software Store' title='Bad Disk Hard Repair Sector Software Store' />After full format in Windows 7, you cannot recover files. CHKDSK command. Press Start Run, input cmd, input chkdsk X r X is the drive letter3. Press the lt Start button. Select lt My Computer. Under Hard Disk Drives highlight the disk which you want to scan. Data Recovery Singapore, Apple Service Centre Computer MacBook Repair Service by KLAZZ. Confidentiality Assured, Free Diagnostics, No Fix No Charge. It has been suggested that List of data recovery software be merged into this article. Proposed since September 2017. Open the lt File menu and choose lt Properties Open the lt Tools tab. Click the lt Check Now button. Microsoft Paint Resolution 300 Dpi Image. In earlier version of Microsoft Windows and DOS, this functionality was built into the scandisk and chkdsk utilities. Once the bad sector or sectors have been repaired, continue to back up your hard drive on a regular basis. Hard drives are mechanical devices and all mechanical devices will eventually fail. Youd better diagnose your hard drive regularly, you may refer HDD Diagnose software and HDD monitor software for more info. Learn more about hdd tool.