Why can't I repair my Windows XP installation? Partitioned [unknown]

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Possible Duplicate:
How to fix UNMOUNTABLE_BOOT_VOLUME (0x000000ED) on my Windows XP DELL laptop?

I have a computer that I need to do a installation repair on. It's running a SATA drive and have tried everything:

  • fixboot
  • fixmbr
  • slipstream XP using nlite to include the SATA drivers
  • chkdsk /r to try to fix any disk errors (just freezes @ 50%)

The problem with the computer is winxp won't boot, not even in safemode. It just restarts. I froze the error and got:

UNMOUNTABLE_BOOT_VOLUME
stop: 0x000000ED (0x8a635590,0xc0000009c,0x00000000,0x00000000)

When I go to try to do the repair using the Windows XP CD, I click enter to view partitions, then I am supposed to see an option to choose 'R' for repair which will reinstall the Windows installation but keep documents and settings and applications. But no option is available and the partition just says

Partitioned [unknown]

Can anyone give me some advice or tips? I'm running out of ideas.

windows-xp
bsod
repair
reinstall
chkdsk
asked on Super User Jun 7, 2011 by David • edited Mar 20, 2017 by Community

2 Answers

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Sounds like you have partition damage, I would suggest using Testdisk to attempt repair of the partition(s). Do plenty of reading before you use the software.

answered on Super User Jun 7, 2011 by Moab
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If it is a sata disk, then you'll need a floppy disk with the controller driver on it. XP didn't know about sata. When you boot with CD you'll see an option to press F6( I think) to load a driver to access storage. Once you do that, it should recognize the disk

answered on Super User Jun 7, 2011 by uSlackr

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