chkdsk – Guide for Windows XP, Vista, 7, 8, 8.1, 10

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CHKDSK is a Windows utility that can check the integrity of your hard disk and can fix various file system errors.

CHKDSK (or chkdsk.exe) is short for “check disk”.

It's recommended to use this utility when your computer shows various boot errors. The check disk utility can be run if you need a fix for the following errors:

0x00000024 Various blue screen of death errors NTDETECT failed Fatal error reading boot.ini NTOSKRNL.EXE is missing or corrupt 0x0000007B 0xc0000001 on a Windows Vista computer 0xc000014C on a Windows 8 computer and others

The check disk utility can repair problems such as:

bad sectors lost clusters cross-linked files directory errors Screenshots

The check disk tool can be run via Command Prompt or, if you can boot into Windows from My Computer> Properties> Tools depending on the Windows version you installed on your PC.

The command line tool can be ran on a Windows XP computer from within the Windows XP Recovery Console:

The utility from within Windows XP, from My Computer and not Command Prompt:

This is how you start a scan with the disk utility if you can boot into Windows Vista:

How to run CHKDSK in Windows

This utility is available for Windows XP, Windows Vista, Windows 7 and Windows 8 or 8.1.

If you can boot into Windows, you can run the check disk utility on each hard drive or partition you have available in My Computer.

If you can't boot the operating system, you can run the tool from Command Prompt either by booting your computer into the Recovery Mode or by using the original installation disc to run Command Prompt.

CHKDSK in Windows XP

If you can boot into Windows XP, you can run the utility either from the Command Prompt or from My Computer.

From Command Prompt

If you can't boot into Windows XP to run chkdsk, download Easy Recovery Essentials – our recovery disk for Windows XP – and run Automated Repair or Command Prompt directly. You can burn EasyRE on CDs, DVDs or USBs.

To run the utility from the Command Prompt, follow these steps:

Boot your computer Go to start Click Run Type cmd in the box: Press Enter You can now type chkdsk to open the utility in a read-only mode Press Enter To repair errors, follow these instructions: To repair errors without scanning for any bad sectors, type chkdsk volume: / f and press Enter, where volume is the letter of the drive you'd like to run a scan for, eg C: or D: Example of a command you need to type if your volume is C: chkdsk C: / f To repair errors and scan for bad sectors, type chkdsk volume: / r and press Enter, where volume is the letter of the drive you'd like to repair, eg C: or D: Example of command you need to type if the volume you want to scan is D: chkdsk D: / r From My Computer

If you can't boot into Windows XP to run chkdsk, download Easy Recovery Essentials – our recovery disk for Windows XP – and run Automated Repair or Command Prompt directly. You can burn EasyRE on CDs, DVDs or USBs.

To run CHKDSK from within Windows XP, but without Command Prompt, follow these steps:

Boot your computer Go to on My Computer (double-click on the icon) Right-click on the hard disk you'd like to run the utility on Click Properties Click Tools At the Error-checking tab, select Check Now To run the utility in the read-only mode, simply click Start To repair errors, follow these instructions: To repair errors without scanning for bad sectors, select the Automatically fix file system errors box and click Start To repair errors and scan for bad sectors, select the Scan for and attempt recovery of bad sectors box and click Start Once finished, the utility will notify you if the scan reported errors (Errors were found and fixed.) Or not (No errors were found.) From the installation disc

If you don't have the installation disc to run chkdsk, download Easy Recovery Essentials – our recovery disk for Windows XP – and run Automated Repair or Command Prompt directly. You can burn EasyRE on CDs, DVDs or USBs.

If you can't boot into Windows XP to run the utility use your original Microsoft Windows XP installation disc to open Recovery Console.

To do so, follow these steps:

Insert the installation CD in the disk tray Restart your computer to boot from the CD At the “Press any key” message, press any key to make sure you boot from the CD At the Windows Options menu, press R to open Recovery Console Enter the Administrator password When Command Prompt appears on your screen, type the command you need: chkdsk C: / r

where C: is the letter of the drive where Windows is installed and the / r parameter will try to repair errors and scan for bad sectors.

CHKDSK in Windows Vista

To run this utility on Windows Vista computer, you can choose any of the following methods:

From Command Prompt, if you can boot into Windows Vista From My Computer From the Recovery Console of your original installation

disk

From Command Prompt

If you can't boot into Windows Vista to run chkdsk, download Easy Recovery Essentials – our recovery disk for Windows Vista – and run Automated Repair or Command Prompt directly. You can burn EasyRE on CDs, DVDs or USBs.

If you can boot into your operating system, run Command Prompt:

Open Windows Vista Go to Start> All Programs> Accessories> Command Prompt or in the search box type Command Prompt and double-click the Command Prompt item available in the search results list. When Command Prompt launches, type the command: chkdsk C: / r If Windows Vista is installed on another drive that's not labeled as C :, replace C: with the letter of your hard disk: chkdsk D: / r Press Enter

If Command Prompt shows errors, try to run the command again until it shows no errors.

From My Computer

If you can't boot into Windows Vista to run chkdsk, download Easy Recovery Essentials – our recovery disk for Windows Vista – and run Automated Repair or Command Prompt directly. You can burn EasyRE on CDs, DVDs or USBs.

You can also run the utility by going to Computer (My Computer):

Click the Start button Go to Computer Right-click on the drive you want check Click Properties At the Tools tab, under the Error-checking section, click Check Now If prompted, enter the Administrator password You can now run the disk check tool: To automatically repair errors, select Automatically fix file system errors To perform a thorough check, select Scan for and attempt recovery of bad sectors You can also check both Automatically fix file system errors and Scan for and attempt recovery of bad sectors Click Start

Don't use the computer until the disk check is done. It may take several minutes depending on the hard disk size.

From the installation disc

If you don't have the installation disc to run chkdsk, download Easy Recovery Essentials – our recovery disk for Windows Vista – and run Automated Repair or Command Prompt directly. You can burn EasyRE on CDs, DVDs or USBs.

If you can't boot into Windows Vista, use the original installation disc to open Command Prompt (the Recovery Console) and run the commands you need:

Insert the install disc and restart your computer Press any key when the message appear to boot from the disk Click Repair your computer Select Command Prompt Enter the Administrator password, if prompted When Command Prompt appears, type the command: chkdsk c: / r

where C: is your hard disk drive's letter (can be different from C: used here).

Press Enter CHKDSK in Windows 7

The steps to run this utility in Windows 7 are similar to those of Windows Vista.

From Command Prompt

If you can't boot into Windows 7 to run chkdsk, download Easy Recovery Essentials – our recovery disk for Windows 7 – and run Automated Repair or Command Prompt directly. You can burn EasyRE on CDs, DVDs or USBs.

If you can boot into Windows 7, run the utility from Command Prompt directly:

Click Start Type cmd at the Search program and files search box Right-click on cmd.exe Click Run as Administrator Type in your Administrator password When cmd.exe opens, type the command: chkdsk Press Enter You can run the tool with more parameters, like this: chkdsk c: / r

This will check the drive for errors and will automatically try to fix any found errors.

If you receive the “Chkdsk cannot run because the volume is in use by another process.” message, type Y to restart the computer and let the utility to run a scan at the next boot of your PC After you typed Y, close the Command Prompt Restart the computer by going to Start> Shutdown> Restart At the next boot, the check disk utility will automatically run a scan From My Computer

If you can't boot into Windows 7 to run chkdsk, download Easy Recovery Essentials – our recovery disk for Windows 7 – and run Automated Repair or Command Prompt directly. You can burn EasyRE on CDs, DVDs or USBs.

The check disk utility can also be ran from My Computer to check for errors on your hard disk.

To do so, follow these instructions:

Right-click on the Start icon Click Open Windows Explorer On the left side of the window, click Computer At the Hard Disk Drives section, right-click on the volume you want to check for errors Click Properties Go to the Tools Tab At the Error-checking section click Check now You can now run the check disk utility: select Scan for and attempt recovery of bad sectors to let the utility attempt to repair any hard drive errors found Click Start

If the volume you want to check is in use, eg C: / where Windows Vista is installed, you may receive the following error message:

Windows can't check the disk while it's in use Do you want to check for hard disk errors the next time you start your computer? Schedule disk check

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