Dell 8400 Reset Boot Password- Now PC Will No Go Past Blue Screen Of Death

Discussion in 'Computer Information' started by FRYLOCK, Jul 18, 2011.


    FRYLOCK Guest

    Hello to all,

    I had an issue last week. I set my Dell Dimension 8400 to
    require a password on the boot before it enters Windows XP Pro. I for
    reasons beyond me could not remember the password. So I resorted to a
    Dell help group which suggested that I remove the "jumper" on the
    board (aka PASS) and remove it or set it on the 3rd and 4th pins
    rather than the 1st and 2nd. I did this and the password cleared.
    Then when I went to replace the jumper back on the original setting,
    the pc will not boot, it does not recognize the hard drives or the cd
    \cvd\cd-rw\ drives and just when it appears to be going to the initial
    Windows XP screen it crashes to the BLUE SCREEN OF DEATH, and I get
    the following message, and I quote:" A problem has been detected and
    windows has been shut down to prevent damage to your computer. If
    this is the first time you have seen this screen, reboot the PC and if
    it happens again follow these steps: Check for viruses on your
    computer (I KNOW THERE ARE NO VIRUSES), remove any newly installed
    hard disks or hard drive controllers. Check your hard drive to make
    sure it is properly configured. Run CHKDSK/F (cannot do this a I
    cannot reach a DOS or command prompt) to check for hard drive
    corruption and then shut down and restart your computer.

    Then there is the following "technical info" : *** Stop 0X0000007B,
    0XF7985528, 0XL0000034,0X00000000,0X00000000.

    And that is where I am at, I have had no problems in the past that
    I have not been able to correct similar to this one. I have a feeling
    it may have something to do with the boot sequence, but this is my
    only machine and I have used ut since 2004 as my one and only and not
    had any issues that could not be fixxed like this one.

    Please, I have been here many, many times before and have always
    found the kind hearted souls here willing to help someone in over
    their head. Thank you to and and all who can help, I am greatly in
    your debt!

    Take care and thank you to all who can help!

    FRYLOCK, Jul 18, 2011
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    Paul Guest


    When you used the "PASS" jumper, that *might* also have
    reset the other BIOS settings.

    Go into the BIOS setup screen, and check both the boot
    order (floppy,cdrom,hdd and select a hdd from the pool
    of hard drives). But also check the disk operating mode
    (IDE, AHCI, RAID where IDE can be Enhanced or Compatible).

    An OS like WinXP, uses a driver installed for the purpose
    of supporting the hard drive operating mode.

    The IDE modes, can be supported by built in drivers
    provided when the OS was installed. AHCI and RAID
    would normally require additional drivers.

    AHCI usually requires a separate driver. If you
    had a Windows 7 laptop, and were trying to install
    WinXP on it as well, and the disk setting must stay
    at AHCI, then you'd need to connect a floppy and offer a
    driver via pressing F6. (The Windows XP installer CD,
    prompts for a driver addition, early in the install,
    which is when you'd be "pressing F6". On a pre-installed
    Dell, this work would have been done for you.)

    So your situation is similar to someone who failed to
    press F6 during the install and offer a driver. Your
    hardware is in a hard drive operating mode, for which
    there is no driver in the OS.

    Correcting the BIOS settings, in the BIOS setup screen,
    and matching the mode used by the OS, should get you
    past the INACCESSIBLE_BOOT_DEVICE error. There is no need
    to fiddle with drivers in the OS at this point - we
    know your computer used to boot, and it's just a matter
    of re-adjusting the BIOS, to match the mode it used to be

    It may take you a few tries to match it, but start
    with the IDE modes first - unless you know, for example,
    that your boot device is a RAID array (two or more disks,
    RAID 0 stripe or RAID 1 mirror etc).

    Good luck,
    Paul, Jul 18, 2011
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