How to Fix a Corrupted Hard Drive Using Command Prompt in Windows

Dealing with a corrupted hard drive can be a frustrating experience, but there are several ways to address the issue using the built-in tools in Windows. One of the most effective methods is to utilize the Command Prompt, a powerful command-line interface that allows you to execute various system commands and troubleshoot hardware problems.

Understanding Corrupted Hard Drives

A corrupted hard drive can be caused by a variety of factors, including logical damage, physical damage, or improper user operations. Logical damage can result from virus attacks, bad sectors, unknown file systems, or issues with the partition table. Physical damage can occur due to short-circuit failures, damaged components, or general wear and tear over time. Improper operations, such as sudden power failures or improper system shutdowns, can also lead to data corruption.

When a hard drive becomes corrupted, you may encounter various symptoms, such as a black screen after the system boot, an inability to boot successfully, clicking or grinding sounds from the hard drive, slow file and folder access, or file system errors like “X:\ is not accessible. The file or directory is corrupted and unreadable.”

Using CHKDSK to Repair Corrupted Hard Drives

One of the most powerful tools for fixing corrupted hard drives in Windows is the CHKDSK (Check Disk) command. CHKDSK is a built-in utility that can scan and repair logical and physical disk errors, as well as fix file system issues.

To use CHKDSK to repair a corrupted hard drive, follow these steps:

Open the Start menu, type “cmd” in the search bar, and select “Command Prompt” to launch the application.
In the Command Prompt window, type the following command, replacing “g:” with the letter of the drive you want to repair: chkdsk g: /f
Press Enter to execute the command. The “/f” parameter instructs CHKDSK to fix any errors it finds on the drive.

You can also add additional parameters to the CHKDSK command to perform more thorough scans and repairs:

/r: Locates bad sectors and recovers readable information.
/x: Forces the volume to dismount before the scan, if required.
/b: Removes any bad clusters from a disk and rechecks all allocated and free clusters for errors (for NTFS file systems).

If the corrupted drive is not the system drive (usually the C: drive), you may need to boot into the Windows Recovery Environment to run CHKDSK. To do this, follow these steps:

Insert your Windows installation media (CD, DVD, or USB) and restart your computer.
Press the F8 key repeatedly before the Windows logo appears to access the Advanced Boot Options menu.
Select “Repair your computer” and then choose “Troubleshoot” > “Advanced options” > “Command Prompt.”
In the Command Prompt window, type the CHKDSK command as described above and press Enter.

Using SFC and DISM to Repair System Files

In addition to CHKDSK, you can also use the System File Checker (SFC) and the Deployment Image Servicing and Management (DISM) tools to repair corrupted system files that may be causing issues with your hard drive.

To use SFC and DISM:

Open the Command Prompt as an administrator.
Type sfc /scannow and press Enter to scan for and repair any corrupted system files.
After the SFC scan is complete, type DISM /Online /Cleanup-Image /RestoreHealth and press Enter to repair any issues with the Windows image.

Using DiskPart to Repair Corrupted Drives

Another command-line tool that can be used to fix corrupted hard drives is DiskPart. DiskPart is a disk partitioning utility that can be used to create, delete, and manage partitions on a hard drive.

To use DiskPart to repair a corrupted hard drive:

Open the Command Prompt as an administrator.
Type diskpart and press Enter to launch the DiskPart utility.
Type the following commands, pressing Enter after each one:
list disk
select disk 1 (replace “1” with the number of the corrupted drive)
clean
create partition primary
format fs=NTFS quick
exit

This process will completely format the corrupted drive, effectively erasing all data on it. Be sure to back up any important files before proceeding with this method.

Using a Third-Party Tool as an Alternative

While the command-line tools provided by Windows can be effective in repairing corrupted hard drives, they can also be complex and intimidating for some users. As an alternative, you can consider using a third-party disk repair tool, such as EaseUS Partition Master or MiniTool Power Data Recovery, which offer more user-friendly interfaces and additional features for addressing hard drive issues.

These tools can often detect and fix a wider range of hard drive problems, including physical damage, and may provide better data recovery capabilities. However, it’s important to note that using third-party tools may require a paid subscription or license, unlike the free command-line tools provided by Windows.