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Error Message When You Restart Your Computer or Upgrade to Windows XP
Article ID : 297185
Last Review : October 30, 2003
Revision : 1.3
This article was previously published under Q297185
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SYMPTOMS
CAUSE
RESOLUTION
STATUS
MORE INFORMATION
SYMPTOMS
When you first restart your computer during the upgrade to Windows XP or
when you start Windows XP, you may receive the following error message, where
aaaaaaaa, bbbbbbbb, cccccccc, and dddddddd are hexadecimal numbers that may
vary:
STOP 0x000000ED (0xaaaaaaaa,0xbbbbbbbb,0xcccccccc,0xdddddddd)
UNMOUNTABLE_BOOT_VOLUME
NOTE: If you receive this error message when you restart the computer for
the first time during an upgrade to Windows XP, your original operating
system still works correctly. In some cases, a message appears on the BIOS
report screen that states that the wrong cable is in use, but you may not see
this message on computers that have a fast startup time.
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.
RESOLUTION
To resolve this behavior, use the appropriate method.
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.
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 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.
STATUS
This behavior is by design.
MORE INFORMATION
The purpose of this behavior is to prevent potential data loss due to the
use of an incorrect IDE cable for the faster UDMA modes or due to continued
access to a drive on which the file system is damaged.
Note that a variety of issues can cause file system damage, from faulty
hardware to software configuration problems or viruses. You can run Chkdsk /r
at a command prompt to resolve the file system damage, but you may lose some
data.
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