If used without parameters, chkdsk displays only the status of the volume and does not fix any errors. Membership in the local Administrators group, or equivalent, is the minimum required to run chkdsk.
To open a command prompt window as an administrator, right-click Command prompt in the Start menu, and then click Run as administrator. Interrupting chkdsk is not recommended.
However, canceling or interrupting chkdsk should not leave the volume any more corrupt than it was before chkdsk was run.
Running chkdsk again checks and should repair any remaining corruption on the volume. Chkdsk can be used only for local disks. The command cannot be used with a local drive letter that has been redirected over the network. If you want chkdsk to correct disk errors, you can't have open files on the drive.
If files are open, the following error message appears:. If you choose to check the drive the next time you restart the computer, chkdsk checks the drive and corrects errors automatically when you restart the computer. If the drive partition is a boot partition, chkdsk automatically restarts the computer after it checks the drive. Use the fsutil dirty set command to set the volume's dirty bit indicating corruption , so that Windows runs chkdsk when the computer is restarted.
Chkdsk examines disk space and disk use and provides a status report specific to each file system. The status report shows errors found in the file system. Chkdsk must be able to lock the drive to correct errors. Because repairs on FAT file systems usually change a disk's file allocation table and sometimes cause a loss of data, chkdsk might display a confirmation message similar to the following:.
When chkdsk finishes, you can check these files to see if they contain any data you need. If you press N , Windows fixes the disk, but it does not save the contents of the lost allocation units. This could happen if open files have not yet been recorded in the file allocation table. If chkdsk reports the loss of a large number of allocation units, consider repairing the disk. If Windows will not boot in either normal or safe mode, there may be a problem with the file system on your hard drive, or the hard drive itself.
Microsoft provides a utility, checkdisk, that can help determine the state of your hard drive. Insert your Vista installation DVD and then restart the computer. After your computer has booted from the disc, select your language and then press Next , as shown below. You must choose the operating system that you would like to repair. I lost power during the process of the merger and the computer will no longer boot.
I have tried the recovery methodes and I have tried to rebuild the MBR. However, nothing has solved my problem. And in my travels of looking for answers I ran across a suggestion to performe a CHKDSK, but I don't think that will work if the computer fails to boot. Hi, Disk issues can get serious very quickly so I would thoroughly check the drive now and be sure to keep redundant backups of your important data use several methods.
For better and more efficient checking : From the Command Prompt of the Recovery Console if you have one or from a Windows 7 disk - if you do not have a Windows 7 disk you can borrow a friend's it needs to be same 32 or 64 bit and they are not copy protected or make one. Also your System maker will sell the physical disks cheap since you already own Windows. Also you can make a repair disk on another computer.
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