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by DeeJoe on February 17th, 2007

DeeJoe

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When I boot my HP Pavilion Laptop, I get this error message "UNMOUNTABLE_BOOT_VOLUME" How to troubleshoot this problem?

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  • by canadianhelper on February 17th, 2007

    canadianhelper

    http://support.microsoft.com/kb/297185

    CAUSE
    This behavior can occur if either of the following conditions is true:
    • Your computer uses an Ultra Direct Memory Access (UDMA) hard disk controller, and the following conditions are true:
    • You use a standard 40-wire connector cable to connect the UDMA drive to the controller instead of the required 80-wire, 40-pin cable.
    • The basic input/output system (BIOS) settings are configured to force the faster UDMA modes.
    • The file system is damaged and cannot be mounted.

    Back to the top
    RESOLUTION
    To resolve this behavior, use the appropriate method.

    Back to the top
    UDMA Controller
    If your computer uses a UDMA hard disk controller, use the following procedures:
    • Replace the 40-wire cable with an 80-wire UDMA cable.
    • In the BIOS settings for your computer, load the 'Fail-Safe' default settings, and then reactivate the most frequently used options such as USB Support.

    Back to the top
    Damaged File System
    If the second parameter (0xbbbbbbbb) of the Stop error is 0xC0000032, then the file system is damaged.

    If this is the case, restart the computer to the Recovery Console, and then use the chkdsk /r command to repair the volume. After you repair the volume, check your hardware to isolate the cause of the file system damage.

    To do this, use the following steps:
    1. Start your computer with the Windows startup disks, or with the Windows CD-ROM if your computer can start from the CD-ROM drive.
    2. When the Welcome to Setup screen appears, press R to select the repair option.
    3. If you have a dual-boot or multiple-boot computer, select the Windows installation that you want to access from the Recovery Console.
    4. Type the administrator password when you are prompted to do so.

    NOTE: If no administrator password exists, press ENTER.
    5. At the command prompt, on the drive where Windows is installed, type chkdsk /r, and then press ENTER.
    6. At the command prompt, type exit, and then press ENTER to restart your computer.For additional information about how to use the Recovery Console in Windows XP, click the article number below to view the article in the Microsoft Knowledge Base:
    314058 (http://support.microsoft.com/kb/314058/EN-US/) Description of the Windows XP Recovery Console
    If this procedure does not work, repeat it and use the fixboot command in step 5 instead of the chkdsk /r command.

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