CHKDSK is a command on computers running DOS, OS/2 and Microsoft Windows operating systems that displays the file system integrity status of hard disks and floppy disk and can fix logical file system errors. It is similar to the fsck command in Unix. It is short for "Check disk". On computers ...

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Check Disk on SSD?

One of the things I commonly do on platter based HDD is run the chkdsk /f/r command while fixing computers, this made me think as I am learning the do's and don'ts of SSD drives (I recently got my ...
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What are “reparse records”?

My computer just did a chkdisk, and when it finished processing file records, it said it had processed "44 reparse records". What exactly are they?
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scheduled chkdsk on Windows 7 blinking the hard disk light every 5 seconds, what can I do?

PG&E (the local electricity company) came and took out the old power meters and put in a new ones by brute force and with no advance notice in our neighborhood, so my computer went down in power. ...
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Ran “chkdsk /r /f /x” on c drive

So I used the /x flag accidentally with dskchk on drive c(my os drive). I don't know why, guess it slipped my brain or something. Anyway the question is: Should I do anything to stop the currently ...
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chkdsk is taking days on 600GB drive

So my HDD pretty much died ^^ Tried to ddrescue it, gave up after 9 days <50%. Figured a chkdsk /f might help so I started it. Has been running for 24h+ now, first 20% took under 5min, now it has ...
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Why is chkdsk using 90% of my RAM?

When I built my new computer, I gave my old one to my parents who were in dire need of an upgrade, after cleaning everything out of it, of course, leaving just the OS and a few programs. It worked ...
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2k views

Encrypted Disk + chkdsk = Cannot boot into Windows

Here is the scenario my friend and I have: Installed Norton Utilities and performed "optimize" (mistake 1) Upon reboot, chkdsk runs and starts spitting out "replacing invalid security id with ...
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10k views

External Hard Disk is not accessible. “The disk structure is corrupted and unreadable”

I have a 1 TB AgentGoFlex seagate External HDD. Lately is was causing some issues like few folders which had data were not showing any file in it. Few folders were not opening, etc. So I tried ...
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799 views

Windows undetectable after interrupted chkdsk

I have a computer that is running Windows XP. For some reason, the other day it wouldn't start giving me the following message: "ntoskrnl.exe is missing or corrupt" So I put the XP disc in the tray ...
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33 views

Is unscheduled, on-boot chkdsk behavior like this normal?

I haven't been able to find a conclusive answer for this question, so I thought I'd ask it myself... My Win7 PC has been running all but bad the past year or so I've owned it until today. I was ...
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42 views

Copying files from failing hard drive

Unable to boot to windows 7, running rescue disk, using C: prompt. I can see the windows partition(C:) but not rest of drive (E:),no access or dir. CHKDSK E: says there are errors in "index $130 for ...
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Running chkdsk on a disk partition without a drive letter

I have a hard drive that shows up in Disk Management as having two partitions. One of the partitions says 69.71GB and that's it. The other says 4.82GB and, underneath that, Healthy (OEM Partition). ...
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82 views

Folder missing either before or after Chkdsk ran in verify mode

When I started my computer I was shown a popup window asking to check the disk of H:, I chose the scan mode that only checks and would allow me to choose what to do. I wasn't asked again if I should ...
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2answers
251 views

Clonezilla failing due to check disk

I'm trying to create an image backup of a laptop with Clonezilla. Once all the settings have been chosen and I try to start the process it displays an error stating that the source drive is scheduled ...
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3answers
189 views

CHKDSK: What option DOES NOT delete files and turn them into .chk files?

I had a recent power outage while using my computer, with a 1TB hard drive being directly accessed as the power went out. When the power came back on, and I rebooted my computer, one of my 1TB hard ...
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2answers
10k views

How to fix NTFS MFT if chkdsk hangs?

Once my external has became too slow I've ran chkdsk /f. And it has found no problems. Next time (in a day approximately) I've ran it it still found no problems in files, indices and security ...
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95 views

Recovering data lost by chkdsk

This might sound a little weird but i hope you can help me. For some reason my PC's didn't close my HDD correctly. The whole drive got corrupted but windows fixed it, which is good. The problem is ...
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Is CHKDSK stalling?

I have a Lenovo Y510p running on Win8.1. I've tried running a CHKDSK on boot but power issues with the charger meant it died while it was running(11%). I tried SHIFT+F8 to try restarting into safe ...
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How often should I run CHKDSK? [closed]

For as long as I remember, I've been running CHKDSK once a month. However, with the advent of the "modern" operating system (i.e., Windows 7), I wonder if that's still necessary. Could I do it once a ...
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Why is NTFS case sensitive?

I personally thought that NTFS was case insensitive, since you can type cmd, CMD, cMd or even CmD and still get the command prompt. However, why is it that during a CHKDSK x: /f /r, sometimes it fixes ...
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Windows 8 Disk Check on startup

So I have a windows 8 box that may or may not actually have something wrong with it. But right now the most important thing to me is to get it to skip the disk check so I can actually see what is ...
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Disk Error on a Dell Notebook with Windows 8.1 “The device, \Device\Harddisk0\DR0, has a bad block.”

Recently my computer freezes for minutes and after reboot I see in the Event Viewer many Errors such as "The device, \Device\Harddisk0\DR0, has a bad block." I have run chkdsk c:/R/B and chkdsk ...
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CHKDSK stuck on USN Journal

I ran a chkdsk on my failing 3TB WD Green and it's been 18 hours since it ran. It's now frozen on verifying the USN journal. See picture: Seeing as it's frozen, can I unplug my hard drive?
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102 views

not able to run chkdsk on Windows 7

I'm trying to run chkdsk from the command line and am receiving the following error message "Access Denied as you do not have sufficient privileges. You have to invoke this utility running in an ...
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How to run chkdsk if I can't boot to Windows

I have a NTFS partition with Windows XP but it has bad sectors and it can't boot. It's a SATA drive and the Windows CD can't access it because it's missing it's drivers, I don't have a floppy drive ...
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Random ERROLEVEL 2 on CHKDSK run

On an always-on Windows Server 2008 R2, hard disks are verified weekly with Chkdsk /F command. Randomly, apparently without a real reason, every 2/3 weeks, chkdsk will return errorlevel 2. I ...
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264 views

DSIM fails. Worked once, but SFC was failing. Now DSIM fails on restore

I have a really strange problem similar to this, but not the same. I started with sfc /SCANNOW and got the error: Windows Resource Protection found corrupt files but was unable to fix some of them. ...
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Where are the results of chkdsk located in Windows 7?

I recently ran the chkdsk in Windows 7 on my local C: drive. After chkdsk completed, the results flashed on the screen for a few seconds and then the computer booted up. I wasn't able to read the ...
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252 views

Why? - Win 8.1 chkdsk runs each bootup against hidden 450MB recovery partition

This problem won't be easy...be warned. Windows 8.1 x64 (installed as Windows 8.1, not as an upgrade) with ALL updates installed and working perfectly (as per event log viewer) ...two days ago. There ...
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Restore files with CHKDSK to different drive due to space issues

After a hw failure, I scanned my SD card with chkdsk /f /r for device errors. The command found and fixed all of the problems but while finishing it asked me if I wanted to convert lost chains into ...
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Data Error (Cyclic Redundancy Check) during hard drive format?

I received a new HDD from my uncle, RAW file system. Tried CHKDSK, but it didn't work because of the RAW file system. Update I ran SpinRite 6 overnight and it got nowhere. Stayed at 0% for the ...
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Is it sufficient to refresh an archival external HDD with chkdsk?

Some background: I have been helping my uncle, a photographer, maintain a system of storage for all his work (Terrabytes of images!). We do this by using two external hard drives for his data ...
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bitlocker stuck asking for chkdsk /r

I recently cloned my HDD to an SSD. I previously had Bitlocker, but disabled (decrypted) before cloning. Now that I've swapped in the SSD, I want to reenable Bitlocker. When it is almost done ...
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Filesystem vs Object Store

Few months ago I created a PHP storage service, that serves as a bridge between our filesystem and web applications via its REST api. File metadata and file path (and "clustering" per storage type) is ...
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Why does chkdsk produce “Correcting error in index $I30 for file 33267” and then freeze?

I am running chkdsk like this: chkdsk k: /x I get this error: Correcting error in index $I30 for file 33267. What does it mean? Here's the full problem: Microsoft Windows [Version 6.1.7600] ...
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762 views

Pen drive has a write-protected issue

My pen drive has become write0protected. Even when I am trying to format it is giving write-protected problem. I tried many solutions I found on the internet, but all failed. Here are my pen drive ...
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Chkdsk Questions

Recently in running chkdsk /r on my system drive (platter drive, Windows 7 Ultimate 64bit) I've gotten back "4 EA records processed" and "76 reparse records processed". Am I right in assuming these ...
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Windows XP - Black screen after boot logo

When Windows XP boot screen finished, a black screen remains. Now what I've tried: Using the Windows XP disk and the console(R)-option. Then there I started chkdsk /r and fixboot and fixmbr. It all ...
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64 views

Windows Media Player file icons gone

WMP file icons do not appear. WMP works fine and opens the files, the file associations exist, but the icons (not thumbnails) for the media files are gone. The blank (unknown file) icon is shown ...
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1answer
285 views

Bad sectors vs spare/reserve sectors and how the OS and disk interpret them

From what I understand, there are two fundamental ways sectors are marked bad: OS performs IO read/write instruction. The sector is replaced with a spare and marked bad. Disk's low-level ...
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77 views

How to fix C drive?

I dismounted my C drive to wipe free space & run chkdsk utility. When at 25% through the chkdsk I decided to cancel and after that restarted the laptop. It logged in but I was seeing errors like ...
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114 views

Possible CHKDSK hang - safe to shutdown?

I scheduled a CHKDSK on a failing HDD and it seems to have hung in the process of "verifying free clusters" (it's been stuck at a certain cluster for hours). The disk indicator light has ceased ...
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725 views

perform a CHKDSK on an NTFS image?

I have a system with a hard drive that has a few bad sectors. I used ddrescue to recover all available sectors on the drive, but the drive continues to develop new bad sectors so I junked it. Two runs ...
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System partition fails to mount with “There is not enough space on the disk”

So my Windows 8 Pro x64 workstation wanted to be rebooted to install Windows Updates. It also made mention of drive errors that would be corrected during boot. Well, Windows failed to correct them, ...
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443 views

Why does CHKDSK report no problems after a disk read error?

Recently, when copying files from one drive to another I noticed one file had a read error. In checking the event logs I saw a lot of "The IO operation at logical block address 9837 for Disk was ...
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295 views

cannot correct errors with chkdsk

Cannot correct the following conditions. XP Home SP3. I have tried just about everything ... chkdsk /f, chkdsk /r, chkdsk /P, chkdsk /v .. using XP recovery console where needed. Have spend several ...
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788 views

can't run chkdsk, autochk.exe corrupted

Vista64 - at least 3 files are bad, disk may have bad sectors. One broken file is the one that runs CHKDSK at re-boot: AUTOCHK.EXE. I believe the disk has bad sectors - from err msgs. Now: how can I ...
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397 views

Disk errors persist after cloning

I have an Asus Laptop that came with a Seagate HDD. Chkdsk could not fix some errors on that original disk, so I decided to buy a new one: a Western Digital with the exact same size (500 GB). Then I ...
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129 views

Moving a laptop while chkdsk is running [duplicate]

I have been having some issues on my computer for a while, and in an attempt to fix it, I decided to run chkdsk C: /f /x /r to see if anything there was causing problems. I started this when I arrived ...
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Change RAW partition to NTFS or recover files from RAW

I've resized my C:\ partition and now I can't boot. I tried to use CHKDSK but I get the error: CHKDSK does not support RAW disk. How can I restore it to NTFS or at least recover my files? Thanks for ...