CHKDSK cannot continue in read-only mode

CHKDSK proves to be most helpful to fix any issue with storage, file system, and disk. But when scanning the operating system partition or some external storage devices, it may throw some error. One such error is the CHKDSK cannot continue in read-only mode. 

CHKDSK cannot continue in read-only mode

The cause for this error could be:

  • The drive is read-only – Write Protection enabled
  • The drive is being used and scanned by a different program or utility.

CHKDSK cannot continue in read-only mode

If you receive this error message, here are a few things you could try to fix the issue on your Windows system:

  1. Run CHKDSK from Recovery.
  2. Run CHKDSK on Boot.
  3. Disable Write Protection.

1] Run CHKDSK from Recovery

Boot into the installation environment for Windows 10 from a Windows installation media. Click on Repair your computer.

On the blue screen, select Troubleshoot > Advanced options > Command Prompt.

Now type in the following command and hit Enter.

chkdsk x:/r /f

Here ‘x’ is the disk letter.

Once the disk error checking the scan is completed, type in Exit to exit the command prompt window, reboot your computer and check if the issue is resolved or not.

2] Run CHKDSK on Boot

Or then, maybe you need to run CHKDSK so that it can fix and recover any damaged segments on the drive.

In an elevated CMD run this command:

chkdsk /r

You will see a message:

Chkdsk cannot run because the volume is in use by another process. Would you like to schedule this volume to be checked the next time the systtem restarts? (Y/N)

Type in and hit Enter to schedule a chkdsk scan when the computer boots up next time.

3] Disable Write Protection

You can also refer to our guide to disable Write Protection. It will help you then, to run CHKDSK as it is intended normally.

Let us know if anything helped.

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Ayush has been a Windows enthusiast since the day he got his first PC with Windows 98SE. He is an active Windows Insider since Day 1 and is now a Windows Insider MVP. He has been testing pre-release services on his Windows 10 PC, Lumia, and Android devices.