Chkdsk command is used to detect and fix disk and file system related errors if posible.chkdsk provides some little options where we have all ready examined them in the following tutorials.
Windows Chkdsk Utility Tutorial with Examples To Fix File System Errors
We will look use cases for chkdsk /R in this tutorial.
Open Elevated Command Prompt Ms-DOS or Powershell
chkdsk command is used from command line prompt or MS-DOS and Powershell whatever you want. As chkdsk will made some changes in the system like modifying and fixing disk and file system it need Administrator level privileges in order to work. We will open MS-DOS Rigth Click ->Right Click on Command Promt -> Run as Administrator
Run Chkdsk /R
/R option will only check bad sectors located on the disk and will recover if finds any readable information. Running chkdsk /R will also imply the /F option. Here how to run chkdsk /R . In this example we will check the drive C:
> chkdsk /R C:
What Does /R Option in Detail
As said before /R option also implies the /F option. So all things done by /F option will be also done by /R option. /R option also does the followings.
- Find Physical Disk Errors (Not exist in
/F) - Fix Physical Disk Errors (Not exist in
/F) - Fixes errors on disk
- Locates bad sectors and recovers readable information
- Forces the volume dismount first if necessary