Additional CHKDSK ParametersĬHKDSK has a large library of optional parameters that you can use to modify the program’s behavior. The “/x” parameter tells CHKDSK to dismount the drive (take it offline from the operating system) before the process begins.
The “/r” parameter performs the same tasks as “/f”, which fixes errors on the disk, and also tells CHKDSK to locate any bad sectors and recover any readable information it finds there. In this case, to get CHKDSK to do a full scan and repair pass, we typed “ chkdsk c: /x /r“. In a Windows PowerShell program, parameters are additional commands added to the end of the program name, with “/” characters before each parameter. That’s why, to run CHKDSK in a mode where it will actually fix problems that it encounters, you need to add several parameters. The basic invocation of CHKDSK, simply “chkdsk ”, will scan the disk and display status information, but it will not fix any errors that are encountered. Reboot into recovery mode to perform the scan or create a Windows Recovery Tool, to perform the process.
If you’re having issues with running the above command because the drive is in use by another process, that because you’re trying to scan your primary drive (boot drive), when it’s being used by the OS. You can also type “ chkdsk /scan” to scan the disk online and attempt to repair it. Now, type “ chkdsk c: /x /r“, without the quotes, to dismount the drive, scan it for errors, and repair it. The next screen to appear is a User Account Control (UAC) window which will ask for permission to launch the Windows Command Processor and let it make changes to the PC. Right-click the Start menu and select, Windows PowerShell (Admin). Alternatively you can use Ontrack EasyRecovery with its SMART tools. Though challenging to use due to its scanty interface, this free little tool proves itself to be a powerful tool to save your hard drive. If the hard drive is inaccessible, TestDisk is a program that can repair it. Do not hesitate to read the article “CHKDSK, or how to solve a problem using the strong way ” to learn more Still, take caution – the CHKDSK command is extremely powerful and can cause damages if used in the wrong conditions. In the case that the failing partition is the one that holds the system, it is preferable to perform the operation on another PC or to do an analysis at the start-up of the PC (accepting the option that asks you to perform the check at the next startup). Warning: do not use CHKDSK if you think you have lost data as this will make the data unrecoverable. To detect and fix recoverable data on the defective areas. With the options /r and /f, the hard drive is analysed track-by-track Using Windows’ tools is generally the best method to check what state the drive is in to use the tool CHKDSK from the control panel (Run menu). The best tools to check and repair your external or internal hard drive using Windows.
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