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The Question ...

error message unmountable_boot_volume tech info stop: 0x000000ed(0x812b0030?

my dell insprion1100 gets this blue screen stating
unmountable_boot_volume if problems continur, disable or remove any newly installed hardware or software. disable bios memory options such as caching or shadowing if you need to use safe mode to remove or disable components, restart your computer, press f8 to select advanced startup options, and then select safe mode
technical information
***stop : 0x000000ed ( 0x812b0030,0xc0000006,0x000000000,0x000000000)

September 2006
The Answer ...

"STOP 0x000000ED UNMOUNTABLE_BOOT_VOLUME" Error Message When You Restart Your Computer or Upgrade to Windows XP
View products that this article applies to.
Article ID : 297185
Last Review : January 15, 2006
Revision : 1.4
This article was previously published under Q297185
On This Page




UDMA Controller

Damaged File System


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.
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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.

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To resolve this behavior, use the appropriate method.
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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.

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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.

Richard - dell support
December 2006
Thanks for the Tip!
Saved me alot of hassle!

Tommy Morris
January 2007
thanks i was actually gonna install everything again

December 2007
This happens to me but I used Vista. I double clicked on game icon, canceled process, shut off computer the unhealthy way, turned it back on, and got unmountable boot volume. My computer for some reason does not read the recovery console disk. I know I won't get a good answer, because I've been searching for a one for days. I do NOT have the Vista CD.

March 2008
thanks mate.

April 2010

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