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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7answers
83k 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 ...
24
votes
8answers
207k 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 ...
22
votes
4answers
40k 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 ...
20
votes
6answers
10k 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 ...
19
votes
3answers
4k 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 ...
18
votes
10answers
64k 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). ...
17
votes
3answers
50k 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 ...
17
votes
1answer
143k 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
votes
1answer
84k 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 ...
14
votes
3answers
59k 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 ...
13
votes
6answers
21k 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 ...
10
votes
7answers
7k 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 ...
10
votes
7answers
109k 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 ...
10
votes
4answers
57k 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 ...
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
3answers
39k views

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

I have a 1 TB AgentGoFlex Seagate external HDD. Lately it was causing some issues like a few folders which had data were not showing any files.  A few folders were not opening, etc. So I tried ...
8
votes
3answers
11k 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 (...
7
votes
2answers
1k views

Chkdsk consistently failing due to no free space but it has 90% free space

I have a drive that I suspect is a bit borked but none of the sensors or alerts have gone off on it. Regardless I decided to move important files out of it before replacing it. But any move ...
7
votes
3answers
5k 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
42k 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 ...
7
votes
2answers
3k 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 ...
7
votes
2answers
59k views

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 ...
7
votes
4answers
23k 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 ...
6
votes
1answer
3k 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
284 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
3answers
20k 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 ...
6
votes
5answers
21k views

chkdsk, SeaTools, and “does not have enough space to replace bad clusters”

When I tried to do a Windows Vista Complete PC Backup, I received an error message that blathered about bad sectors. Then, when I ran chkdsk /r on the destination drive, this is what I got: C:\...
5
votes
2answers
923 views

Does scandisk/CHKDSK produce a log file when running before login?

I scheduled and ran CHKDSK after restart, but it took a long time, so I left it to run all night. In the morning, it had finished and the computer had logged in, but I had no way of knowing if it ...
5
votes
4answers
11k 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
19k views

Windows chkdsk replaced bad cluster - are files now corrupted?

I ran chkdsk on a drive and when it got to stage 4 (verifying file data), this message appeared for some files: Windows replaced bad clusters in file ###### of name \path\filename.ext Does this ...
5
votes
2answers
39k 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
11k 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
1answer
14k 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 ...
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
6k 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
286 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
3k 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
3k 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 ...
4
votes
2answers
4k views

Windows 8 Disk Error Checking

Windows 8 has a new approach to checking the disk for inconsistencies, and I'm confused about what I'm seeing. In the properties dialog for C: I launch the disk error checker. It says I don't need ...
4
votes
1answer
254 views

How can I clear NTFS file system level marked as bad sectors?

Just made a sector-level copy of a laptop hard disk (multiple manufacturer partitions - recovery etc.) using dd but I had already run chkdsk /f /r a number of times on the C: and it has re-mapped bad ...
3
votes
2answers
16k 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 ...
3
votes
2answers
3k views

Can I “pause” chkdsk by hibernating the computer?

So I have a situation and I need to figure out what to do about it before Hurricane Irene hits Saturday evening. I mentioned in another question that I'm running (the GUI equivalent of) chkdsk /r on a ...
3
votes
4answers
9k 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
1answer
3k views

What is the upercase file?

I ran a chkdsk and it stated it was correcting the upercase file. Out of complete curiosity I Googled it but couldn't find any info. Anyone know what this file is?
3
votes
3answers
2k views

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 ...
3
votes
2answers
9k 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
2k 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
108 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
8k views

chkdsk: setting a specific path is not working

I can set the drive (volume), but not directory path or file path. chkdsk (with /h) utility shows that I could set the optional parameter path and filename, but I get the following message instead. &...
3
votes
1answer
39 views

I cannot disable CHKDSK on Windows XP

Every time I happen to shut off my computer manually, it runs automatically a CHKDSK check before starting up. I tried to edit the registry in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\...