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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6answers
54k views

How safe is it to run CHKDSK on an SSD?

I recently saw Windows 7 pop up a warning or two that I should run chkdsk on my laptop. My laptop came with an SSD and I'm not sure if there are any negative implications to running chkdsk on such a ...
17
votes
2answers
87k views

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?
16
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3answers
5k views

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 ...
15
votes
3answers
3k views

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 ...
14
votes
8answers
131k views

What can I do with .chk files in FOUND.000 folders?

Just discovered I have gotten a FOUND.000 folder on my usb drive. I guess from running chkdsk once. It has three files in it: FILE0000.CHK FILE0001.CHK FILE0002.CHK What exactly can I do with ...
14
votes
2answers
46k views

What does chkdsk do, exactly?

I have attempted to read a bit about chkdsk but I still don't conceptually understand what it does. From Microsoft: "Creates and displays a status report for a disk based on the file system. Chkdsk ...
12
votes
1answer
35k views

What is the difference between chkdsk /f and chkdsk /r?

/F Fixes errors on the disk. /R Locates bad sectors and recovers readable information (implies /F). (from dir /?) It just sounds like the same thing to me. I never ...
11
votes
7answers
21k views

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). ...
10
votes
7answers
4k views

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 ...
9
votes
3answers
27k views

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 ...
9
votes
3answers
2k views

Bad Sectors on Hard Drive

I run check disk pretty regularly on my hard drive, and lately it's been saying that I have some bad sectores (66, to be exact). I've run smartctl and HD Tune. Both tell me that I have bad sectors and ...
9
votes
6answers
14k views

Full physical hd check

I would like to run a full, sector-by-sector, physical check on some external hard drives. As far as I know,chkdsk does not supply this option. Is there a workaround under chkdsk, or a good ...
8
votes
3answers
14k views

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 ...
8
votes
7answers
69k views

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 ...
7
votes
3answers
3k views

What triggers a chkdsk?

So, the last 4 times I booted my laptop, a disk consistency check (chkdsk) got launched twice without errors found. It made me wonder what could be reasons for Windows to schedule a chkdsk. Anyone? ...
7
votes
3answers
36k views

Why does Windows run CHKDSK on every boot?

Every time I turn on my PC, I get the following message: Checking file system on E: The type of the file systen is NTFS. One of your disks need to be checked for consistency. You may cancel the disk ...
7
votes
2answers
7k views

Windows 7 Recurring Blue Screens: MEMORY_MANAGEMENT 0x1A

I have recurring BSODs that really have me scratching my head. Here's a look at the errors: MEMORY_MANAGEMENT 0x1A (ntoskrnl.exe) - I've seen this 9 times since April 2012 NTFS_FILE_SYSTEM 0x24 ...
6
votes
4answers
38k views

Why does CHKDSK run everytime I boot my Windows 7 machine?

Every time I boot my Windows 7 machine, CHKDSK runs. I have a feeling that the operating system is trying to tell me something, but I don't understand what it is. Any ideas? Everything works fine so ...
6
votes
1answer
2k views

How can I run chkdsk on boot up for multiple drives in Windows (Vista)?

I know how to run a chkdsk on boot for C:. How can I schedule chkdsk to run on boot for multiple drives (which normally will just be checked inside Windows)?
6
votes
2answers
236 views

Should I run Chkdsk at all?

My 6 year old Lenovo laptop running Win XP Home is taking lot of time to boot up. It complains every time I boot that some part of hard disk has been corrupted and asks me to run Chkdsk. I can ...
6
votes
2answers
1k 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 ...
6
votes
3answers
18k views

Autochk cannot run due to an error caused by a recently installed software package

When I reboot my Windows 7 machine, I get the error: Autochk cannot run due to an error caused by a recently installed software package The only way I can get rid of it is to boot from the Windows ...
5
votes
3answers
7k views

How to save chkdsk results to a .txt file?

Is there a way to get the results of chkdsk with the /f switch to a .txt file instead of having to go to the event viewer? EDIT: I want to get the output of what chkdsk fixed, not just what errors ...
5
votes
2answers
15k views

CHKDSK is not available for RAW drives

When I run the chkdsk command on my boot drive, I get an error message "CHKDSK is not available for RAW drives." What does this mean, and how can I fix it? C:\>chkdsk c: The type of the file ...
5
votes
2answers
24k views

CHKDSK stop (no response) at stage 2 (verifying indexes)

I am using Windows 7. I was trying to synchronize the folder. Then the FreeFileSync freeze. I think there is some problem to my folder. Then I tried to copy the folder to another location. When ...
5
votes
1answer
6k views

How do I clean my dirty bit?

For some reason, a large number of Windows 7 machines have all the sudden start invoking a dskchk any time computer restarts. So naturally I start googling around. First thing I found was KB831426. ...
5
votes
2answers
2k views

CHKDSK at boot time on windows 7 without a reason

My new PC with a fresh windows 7 starts a chkdsk during boot time maybe once a week. The chkdsk always finishes with 0 problems and the computer restarts into windows as normal. I always shutdown ...
4
votes
2answers
5k views

How do you run chkdsk on every reboot?

There was a question a short while ago, Run Program Before Login Screen Appears, where I thought he meant specifically he wanted to run chkdsk on boot based on the picture, but he really wanted to run ...
4
votes
3answers
226 views

Windows CHKDSK starts when 6 seconds have passed

After reading this thread I might have figured out why the CHKDSK-prompt starts. But the biggest problem is that when it prompts me with Press any key with in 10..0 seconds, nothing happens until ...
4
votes
1answer
2k views

Did chkdsk make it harder to restore files?

My friend asked me to try and fix his loaded Sansa Clip + which wasn't playing. After opening it in MSC mode I discovered that the Music directory was empty and total of all files was only a few MB. ...
4
votes
1answer
2k views

Run chkdsk on two disks simultaneously?

I'm using Windows 7. Is it possible to run chkdsk on two disks simultaneously? I'm running chkdsk on one drive right now, but when I try to start running it on another drive it just closes. I am ...
3
votes
4answers
7k views

CHKDSK in Linux…?

My computer has taken a dive and it will not boot up. I have reasons to believe that it is the hard drive. I would like to run CHKDSK but I cannot get the computer to boot up into Windows. My ...
3
votes
2answers
5k views

Windows 7 explorer crashing trying to read external hard disk

I have a 1TB Western Digital hard drive which is almost full and last time I tried to plug it into my laptop, I got a Windows dialog saying "this hard drive needs to be formatted". I did not panic ...
3
votes
1answer
1k views

windows 7: Event 55 The file system structure on the disk is corrupt and unusable

Here is a real bad one! Windows 7 RTM with SP1 installed [Version 6.1.7601]. Recently tried to delete some folder on my hard drive and Windows prompted "Error 0x80070570: The file or directory is ...
3
votes
1answer
79 views

Recover data from HDD

Out of the blue, when I plugged in one of my external drives, I could only see a part of the contents in File Explorer; after trying to open the volume again a few times, I rebooted and was greeted by ...
3
votes
1answer
7k views

CHKDSK error code 766f6c756d652e63 3f1

On a Windows 7 computer, running chkdsk /r /f C: in repair mode, it gives the error, Unspecified error 766f6c756d652e63 3f1. or something like that. I have tried the following: uninstalling all ...
3
votes
1answer
7k views

Is chkdsk /R /F /X C: safe? (In repair mode command prompt)

Is it safe/non-destructive to use chkdsk /R /F /X C: when you are in repair mode? I have a little issue with a Windows computer, and I read the chkdsk /? manual and it seemed that using the /X flag ...
3
votes
1answer
5k views

Windows 7 does not run chkdsk on reboot even when it is scheduled

I have a corrupt directory which I cannot delete and when I run CHKDSK in read only mode it finds errors (orphaned files). However since it is on my main (and only) partition I cannot run it with /R ...
3
votes
2answers
5k views

Disk consistency check hangs - Windows XP

Whenever I turn on my PC I get a warning that the “system disks must be checked for consistency”. When it starts it goes through step 1 of 3 fine, but when it gets to step 2 (verifying indexes) just ...
3
votes
1answer
627 views

CHKDSK /R turns Perfect HDD Seagate 3TB to 0.7TB (marks the rest has bad)

Before I explain the problem, let me tell you what's not the problem. I don't have problems formatting or seeing the drive has 3TB, so please avoid this issue. So, now the problem. I had this drive ...
3
votes
1answer
438 views

Is my “Generic” USB Flash Drive broken?

So here is the situation. I find myself technological knowledgeable about many things ( I love to code, whether it's websites, C#, C++ or so on). However: My 2 toddlers (my wife actually) bought me a ...
3
votes
1answer
2k views

Slow file operations, possible I/O error but chkdsk says OK

I've recently faced a strange problem. I use Directory Opus file manager that suddenly started to report an I/O error when trying to copy files onto one of my disks. The Windows Explorer did copy ...
3
votes
3answers
5k views

How long can I expect a chkntfs to run on 500 GB drive?

I put Win 7 on my gaming laptop and it kept giving me a dirty bit - kept starting with that disk check, so I looked around the web and followed directions to do a chkntfs . It would have been ...
3
votes
2answers
497 views

why does chkdsk always report errors on a bad shutdown

Once in a while, Windows XP hangs on my laptop (usually when going into standby or hibernate and occasionally on startup) and I have to forcefully poweroff. Ususally chkdsk never runs automatically (I ...
3
votes
1answer
4k views

How to safely abort chkdsk?

I am running chkdsk on a 1TB external hard drive. The scan is at stage 5 (scanning free space). It is taking forever... Is there a safe way to abort this? The drive has less than 20GB worth of stuff ...
3
votes
1answer
136 views

Will killing chkdsk on a PSP damage the memory card?

I have a PSP connected to the PC via data cable. It has a Memory Stick Pro Duo Adapter that contains a 32gb Micro SD card. Awhile ago, the cable got disconnected unexpectedly and when I plug the PSP ...
3
votes
2answers
3k views

Why can't I repair my Windows XP installation? Partitioned [unknown] [duplicate]

Possible Duplicate: How to fix UNMOUNTABLE_BOOT_VOLUME (0x000000ED) on my Windows XP DELL laptop? I have a computer that I need to do a installation repair on. It's running a SATA drive and ...
3
votes
1answer
2k views

Stopping CHKDSK

When chkdsk performs an autocheck, it allows you to cancel the check by pressing a key within 10 seconds. It takes many attempts for it to acknowledge the key press, though. Am I the only one ...
2
votes
8answers
4k views

Incredibly slow computer but without obvious cause

A friend has asked me to help him out with a laptop that has begun to run incredibly slow. The machine previously worked efficiency but recently has become unbearable slow. The machine is a Toshiba ...
2
votes
2answers
10k views

Where are the results of the XP Disk Error Checking utility logged?

Last Friday, before I left work, I started a disk error check using the GUI found on the Tools tab of the disk properties. I checked the boxes for "Automatically fix file system errors" and "Scan for ...