Event ID 55 Ntfs the file system structure on the disk is corrupt and unusable

Event ID 55 Ntfs the file system structure on the disk is corrupt and unusable

Article Summary: This article addresses how to run chkdsk when the filesystem is corrupt


Event ID 55 error: "Event ID 55 Ntfs the File System Structure on the Disk is Corrupt and Unusable. Please run the chkdsk utility on the volume 'drive_letter':." appears in the System event log.


1. Ensure the disk controller firmware and drivers are current.

2. Ensure any third-party storage drivers and firmware are up to date.

3. Run chkdsk preferably from a bootable USB key.

Note: The Microsoft Windows 7 USB/DVD download tool can be found here.

This tool can be used to create a USB key. You may also use a DVD to complete these steps. This example will use a USB key.

a. Insert the bootable USB key into a USB port and reboot the server.

b. Press F11 as the server is rebooting to invoke the Boot Manager.

c. Select Boot BIOS Menu, select Hard drive C:, select the USB key and press Enter.

d. Select the correct options and click Next.

e. Select Repair your computer in the lower left portion of the screen.

f. Click Troubleshoot.

g. Click Command Prompt.

h. Type chkdsk /f c: to check the C: disk. It is recommended to repeat this step if chkdsk finds and repairs errors until no additional errors are found.

i. Type c:\windows\system32\shutdown -r -t 0 to reboot the server after chkdsk completes.

Note: The drive letter for the shutdown command may be something other than c:. Alternatively, power cycle the server using the power button or the iDRAC.

4. Run chkdsk from within Windows.

a. Press the Windows Logo+E to open Windows Explorer.

b. Select This PC on the left and scroll down to Devices and drives. Right-click on the 'drive_letter' and choose Properties to open the Windows ('drive_letter') Properties.

c. Click on the Tools tab.

d. Click Check under Error-Checking to open Error Checking.

e. Click Repair drive.

f. Choose Repair on next restart or Restart and repair now to repair the disk.

g. The server will reboot and an option to cancel the chdsk will appear prompting To skip checking, press any key within 10 second(s).

h. Allow chkdsk to continue and repair the disk.

Additional Information:

Data corruption can occur for many reasons.

Some of the reasons include:

  • Power outage resulting in a server reboot without a graceful shutdown.
  • Files and folders open when an application crash occurs.
  • Defective hard disk drive. Defective RAID controller.
  • Outdated hard disk drive firmware.
  • Outdated RAID controller drivers and firmware.
  • The server hangs resulting in an intentional ungraceful reboot.
  • A Windows stop error occurred.
  • A computer virus or malware.

The following Event ID 55 will be posted in the System event log.

Log Name: System
Source: Ntfs
Date: 2/24/2014 7:58:12 AM
Event ID: 55
Task Category: (2)
Level: Error
Keywords: Classic
User: N/A
Computer: computername.company.com
The file system structure on the disk is corrupt and unusable. Please run the chkdsk utility on the volume Windows.

Quick Tips content is self-published by the Dell Support Professionals who resolve issues daily. In order to achieve a speedy publication, Quick Tips may represent only partial solutions or work-arounds that are still in development or pending further proof of successfully resolving an issue. As such Quick Tips have not been reviewed, validated or approved by Dell and should be used with appropriate caution. Dell shall not be liable for any loss, including but not limited to loss of data, loss of profit or loss of revenue, which customers may incur by following any procedure or advice set out in the Quick Tips.

ID de l'article : SLN290554

Date de la dernière modification : 09/20/2019 10:37 PM

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