Windows XP

Posted on 2011-05-02
Last Modified: 2012-08-14
Ran or set CheckDisk or ScanDisk but it keeps starting up again after a reboot.
How do I cancel or stop the chkdsk from running everytime the computer starts?
Question by:wball1217
    LVL 9

    Expert Comment

    LVL 8

    Expert Comment

    Make sure it runs through the whole thing.
    LVL 5

    Accepted Solution

    Hello, what you're experiencing is what Windows refers to as "setting the dirty bit" and what you have to do is unset that bit. Every time Windows XP starts, autochk.exe is called by the kernel to scan all volumes to check if the volume dirty bit is set. If the dirty bit is set, autochk performs an immediate chkdsk /f on that volume. Chkdsk /f verifies file system integrity and attempts to fix any problems with the volume. It is usually caused by a hard shut down or a power loss during a read-right operation on that particular drive.

    How do I fix it, you ask?

    Well, that's easy. First click Start> Run> bring up a command prompt by typing in "CMD" and type " fsutil dirty query d: ". This queries the drive, and more than likely it will tell you that it is dirty. Next, type "CHKNTFS /X D:". The X tells Windows to NOT check that particular drive on the next reboot. At this time, manually reboot your computer, it should not do a Chkdsk and take you directly to Windows.

    Once Windows has fully loaded, bring up another CMD prompt and type and now you want to do a Chkdsk manually by typing "Chkdsk /f /r d:". This should take you through 5 stages of the scan and will unset that dirty bit. Finally, type "fsutil dirty query d:" and Windows will confirm that the dirty bit is not set on that drive. Good luck!


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