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Windows 7: Disk Check



Disk Check

How to Run Disk Check in Windows 7
Published by Brink
09 Nov 2008
Published by

How to Run Disk Check in Windows 7

information   Information
This will show you how to run Check Disk or chkdsk in Windows 7 to check a selected hard disk for file system errors and bad sectors on it.

Note   Note
Running a check disk may take a bit depending on the size of the selected hard disk. For faster and better results, do not use your computer while check disk is checking for errors.


You will have a choice to scan only, scan for and attempt to fix errors, scan for and attempt recovery of bad sectors, or scan for and attempt to fix errors and recovery of bad sectors.





OPTION ONE
To Run Chkdsk from Drive's Properties Page
1. Open the Start Menu and click on the Computer button on the right dark side.

2. Right click the hard disk drive that you want to check, and click on Properties. (see screenshot below)
Disk Check-computer.jpg
3. Click on the Tools tab, and click on the Check now button under Error-checking. (see screenshot below)
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4. You will now see this window. Do the steps below for what you would like to do. (see screenshot below)
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5. To Only Scan the Drive for Errors
NOTE: This will just give you a report if there are any drive errors or not, and will not attempt to fix them.
A) Leave both boxes unchecked and click on the Start button. (see screenshot below step 4)
6. To Only Scan and Attempt Recovery of Bad Sectors
NOTE: This scan attempts to find and repair physical errors on the hard disk itself, and it can take much longer to complete.
A) uncheck the Automatically fix file system errors box. (see screenshot below step 4)

B) Check the Scan for and attempt recovery of bad sectors box.
7. To Only Scan and Automatically Attempt to Fix Errors
NOTE: This will automatically attempt to repair problems with files and folders that the scan detects.
A) Check the Automatically fix file system errors box. (see screenshot below step 4)

B) Uncheck the Scan for and attempt recovery of bad sectors box.
8. To Scan and Automatically Attempt to Fix Errors and Recover Bad Sectors
NOTE: This will scan for both file errors and physical errors (steps 6 and 7). It will then attempt to repair problems with files and folders, and recover physical errors.
A) Check the Automatically fix file system errors box. (see screenshot below step 4)

B) Check the Scan for and attempt recovery of bad sectors box.
9. Click on the Start button, and do either step 10 or 11 below depending on if the drive is currently in use or not. (see screenshot below step 4)

10. If the selected hard disk is not in use, then you will see check disk start checking the disk now. (see screenshot below)
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A) When the scan is complete, you will then see
results similar to this. Click on Close. (see screenshots below)
Disk Check-details.jpg

Disk Check-scan_results2.jpg

B) Click on OK. (see screenshot below step 3)

C) Stop, you're done.
11. If the selected hard disk is in use, then click on the Schedule disk check button. (see screenshot below)
NOTE: If the hard disk that you selected in step 2 is in use (for example, the C: drive or partition that contains Windows 7), you'll be prompted to reschedule the disk check for the next time you restart your computer. Otherwise you will not see this window below.
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A) Restart the computer.
B) During startup, you will only have 10 seconds to press a key to cancel the Disk Check from steps 7 or 8. (see screenshot below)
warning   Warning
Once the Disk Check scan starts, DO NOT STOP the scan to prevent possible damage to the data on your hard drive.

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C) When the scan is complete you will see a report similar to this below briefly before the computer automatically restarts.
Disk Check-start-up.jpg



OPTION TWO
To Run Chkdsk from Command Prompt

NOTE: The chkdsk command can be used on a FAT32 or NTFS formatted disk.
1. Open a elevated command prompt or a command prompt at startup.

2. In the command prompt, type in the following command below followed by one or more switches that you would like to use below with a space between each switch and press Enter.
NOTE: For example, the most common command to run chkdsk on your C: drive is: chkdsk C: /F
chkdsk [drive letter]: [switches with space inbetween]




Switches that you can use in the command:
  • /F - Fixes errors on the disk. The disk must be locked. If chkdsk cannot lock the drive, a message appears that asks you if you want to check the drive the next time you restart the computer. For example, on the C: drive.
  • /V - Displays the name of each file in every directory as the disk is checked.
  • /R - Locates bad sectors and recovers readable information. The disk must be locked. /r includes the functionality of /f, with the additional analysis of physical disk errors.
  • /L:[size in KB] - Can only be used with a NTFS disk. Changes the chkdsk log file size to the number size in KB you type. If you omit the size parameter, typing /L by itself will display the current chkdsk log file size. For example, to have the default 65536 KB log file for the C: drive, you would type: chkdsk C: /F /L:65536
  • /X - Forces the volume to dismount first, if necessary. All open handles to the drive are invalidated. /x also includes the functionality of /f.
  • /I - Can only be used with a NTFS disk. Performs a less vigorous check of index entries, which reduces the amount of time required to run chkdsk.
  • /C - Can only be used with a NTFS disk. Does not check cycles within the folder structure, which reduces the amount of time required to run chkdsk.
  • /B - Can only be used with a NTFS disk. Clears the list of bad clusters on the volume and rescans all allocated and free clusters for errors. /b includes the functionality of /r. Use this parameter after imaging a volume to a new hard disk drive.
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That's it,
Shawn






Related Tutorials

.

04 Jun 2009   #1
Jaap Aal

Windows 7 RC / 32 bits / build 7100
 
 

By starting up my laptop with windows 7 build 7100 i always get step 12 & 13, what is the reason therefor? I don't like it:-)

My System SpecsSystem Spec
.

04 Jun 2009   #2
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Hello Jaap Aal, and welcome to Seven Forums.

You can do STEP TWO in the tutorial below to reset disk check and stop it from running all the time for you hopefully.

Chkdsk will Not Run at Startup in Vista - Vista Forums

Hope this helps,
Shawn
My System SpecsSystem Spec
05 Jun 2009   #3
Jaap Aal

Windows 7 RC / 32 bits / build 7100
 
 

Thank you I'll try when I've got the time!!
My System SpecsSystem Spec
05 Jun 2009   #4
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Ok. Please let us know how it went for you.
My System SpecsSystem Spec
06 Jun 2009   #5
Jaap Aal

Windows 7 RC / 32 bits / build 7100
 
 

Sometimes it's much easier... Only took my windows 7 iso disc --> repair start up, and the problem is solved already
My System SpecsSystem Spec
06 Jun 2009   #6
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Jaap Aal, I'm happy to hear that you got it sorted.
My System SpecsSystem Spec
12 Oct 2009   #7
VicVicVic

Windows 7 Professional
 
 

I am planning to run disk check soon, with both the options to fix it and recover bad sectors checked. I have a 300GB hard drive with 173GB free. Any idea on how long it would take to run the complete disk check? Are we talking about an hour, three hours, eight hours? I really have no idea. Thanks.
My System SpecsSystem Spec
12 Oct 2009   #8
Brink
Microsoft MVP

64-bit Windows 8.1 Enterprise
 
 

Hello Vic,

If nothing wrong is found on the drive, I would plan on at least around an hour. Longer if it finds anything and needs to fix it if able.
My System SpecsSystem Spec
13 Oct 2009   #9
VicVicVic

Windows 7 Professional
 
 

Thanks. Is there any way I can look at the scan results if the scan completed and I was not there when it was done? I just want to know if there are any problems with my hard drive.

I ran the scan last night an hour before I went to bed. In the one hour, it only completed 13 percent, so I figured it would run for many more hours. I set the alarm to wake up four hours later, and when I did, I guess the scan had already completed because the screen just showed my desktop (like after the computer has started up).
My System SpecsSystem Spec
Comment

 Disk Check




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