If the bad sectors are initiated due to decrease of magnetization, the impairment is irreversible. However, if the difficulty is due to inconsistencies in parity checking bits, it can be amended by utilizing befitting programs that can rewrite and restore these bits. It comes under the hard disk recovery.
There are two built-in programs that you can use to repair bad sectors. One is the CHKDSK and a more advanced version of it called 'Scandisk’. You can rectify bad sectors by running the computer disk scan program on any Windows operating system like Windows XP, Windows Vista and Windows 7:
- Open 'My Computer' and right click on drive volume which is suspected to have bad sectors.
- Click on the properties option and select the 'Tools' tab in the window that opens.
- Click on 'Check Now' under the 'Error Checking' section.
- Then comes two check boxes in another window with ‘Automatically fix file system errors' and 'Scan for and attempt recovery of bad sectors'.
- Select both the options and click on 'Start'. This is done when all the programs running in the operating system are stopped.
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