If Chkdsk fails to repair your external hard drive, you can try running System File Checker (SFC) scan on your system to repair missing and corrupted system files by following these steps: Sometimes the error arises within your computer system due to some missing or corrupt system files. If you don’t want to risk damaging or corrupting your data, skip to the final ‘Optimal Solution’. While repairing soft bad sectors, Chkdsk can damage the files and the data residing on those soft bad sectors. NOTE: Chkdsk can only repair soft bad sectors. If you are able to access your external drive, immediately copy data from it to a safe location on your system and format the external hard drive via Disk Management tool or DiskPart.
Hit the ‘ Enter’ button and wait until ‘ Chkdsk’ utility repairs the disk errors.įigure: Chkdsk CMD Window after scanning driveĪfter the disk checking process, re-connect your external hard drive to the system and then try accessing your hard drive partition from the File Explorer. TIP: Alternatively, you can type chkdsk X: /F /X /R for rigorous scanning and repair. Type the command chkdsk X: /f where X is the external hard drive partition letter.Right-click on ‘ Command Prompt’ and select ‘ Run as Administrator’.You can follow these steps to repair your inaccessible external hard drive: If none of these solutions work, please refer to ‘Optimal Solution’ given at the end of this post which works in most cases and can help you successfully recover your important data.Ĭhkdsk is an inbuilt hard drive error checking and repair utility in Windows, which is used to scan hard drive (& its partitions) for logical file system error, bad sectors, & file system metadata, due to which hard drive becomes inaccessible, and fixes these errors in the hard drive simultaneously. However, in the absence of any backup you still have few options with which you can try to repair the external hard drive and fix parameter is incorrect error. If you have a backup, you can use that to restore your files after formatting the faulty hard drive. There are few possible causes that might be responsible for this error Drive becomes inaccessible: The entire external hard drive or storage media becomes inaccessible and so does the data inside it.They can access the drive but cannot access the data. Cannot copy files: Due to this error, the user fails to transfer files from the external hard drive to any other location on the system.
The “parameter is incorrect” leads to two major issues