Chkdsk is a Windows utility that scans an external harddisk internal hard disk, a USB drive for errors and can fix filesystem errors without using any external tools.
Running check disk command from a command line
To run the chkdsk and use it to scan your filesystem for errors and bad sector, follow the simple steps:
- Open run command by pressing Windows+R button and type cmd
Here is scan parameter example for reference
chkdsk [Drive:] [parameters]
- Chkdsk repair commands:
- /f – to fix hdd errors
/r – to locate bad sectors
“/x” – to force the drive to dismount before disk checking
/i – applicable to an NTFS volume only. This option performs a check of index entries
- chkdsk C: /f /r /x and hit Enter button and it will ask y/n, Hit Y and enter to confirm the disk repair command.
How to check your computer for errors checking using GUI
- First press Windows+E button or go directly my computer or This PC
- In the screen, menu specify the disk, memory card or another removable disk which needs scanning for errors
- Go to the Properties then Tools
- Press on Check now button. The command will be executed for users with administrative privileges.
- If there are no errors found, you are good to go. If some problem found, Windows fix them during the check of your HDD.
- Once it gets completed it will show Your drive was successfully scanned.
- Press the Show Details button to look at the information you may find useful: total disk space, byte allocation and detected errors (if there are any)
If you select a system partition (where Windows is installed) to scan, chkdsk will suggest delayed check after restart. The system will check drive for errors automatically according to the settings which are given below.
From the installation disc
- Insert the Windows disc or bootable USB pendrive
- Restart your PC and boot from the disc
- Click Repair your computer
- Choose the operating system from the list
- Click Next and choose command prompt
- When it opens, type the command: chkdsk /f /r and press enter
Windows chkdsk features
Chkdsk utility is a component of all Windows versions, including 10, 8, 7, Vista and XP, as well as DOS. It can also be run from a Windows installation disc.
Some features of chkdsk command:
- scans/fixes NTFS/FAT drive errors
- marks bad sectors (physically damaged blocks)
- scans other memory devices (USB sticks, SSD external drives, and SD cards) for errors