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HELP !! XP wont boot:  unmountable_boot_volume

By kiwi-in-sweden
Aug 14, 2005
Topic Status:
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  1. Hi. I was suspicous that my laptop had a virus due to alot of hard disk activity on its own so I turned it off (and removed battery). I ran Nortons anti-virus (CD boot) and it seems clean. Now I'm wondering if Windows was doing an auto-update (without prompting me) and I killed it in the middle?

    Possibly damaged the boot partition as now it wont boot up and the message reads:

    Unmountable_boot_volume

    Technical= STOP: 0x000000ED (0x8128EA68, 0xc000009c, etc)

    It doesnt have a floppy drive but I have a USB memory stick. Is it possible to make a boot from this and then run some partition fix tool?

    Any HELP much appreciated.

    cheers
    Kiwi-in-sweden
  2. howard_hopkinso

    howard_hopkinso Newcomer, in training Posts: 25,948   +19

    Hello and welcome to Techspot.

    Look HERE and HERE for an explanation of what is wrong, and ways to fix it.

    Regards Howard :wave: :wave:
  3. kiwi-in-sweden

    kiwi-in-sweden Newcomer, in training Topic Starter

    Still no luck

    thanks for your help. I'm not sure if this is the problem but it makes sense that perhaps Windows has caused a problem.

    I believed I had a virus due to alot of hard disk activity when i wasnt running anything but perhaps windows was being updated in the background automatically. I shut it down which may have damaged the MBR (master boot record) is it was being updated. I need to find a good tool that will look at the MBR and tell if its ok or not...ideas?

    cheers
  4. howard_hopkinso

    howard_hopkinso Newcomer, in training Posts: 25,948   +19

    If you boot from your Windows cd and load the recovery console you can fix the mbr from there. See HERE.

    If you do a google search for fixmbr you will find lots of info about it.

    Regards Howard :)
  5. danielb

    danielb Newcomer, in training Posts: 70

    As above, many hardrives actually do maintenance when idle, mine always does. this would explain your HDD noise.
  6. kiwi-in-sweden

    kiwi-in-sweden Newcomer, in training Topic Starter

    MBR Fix

    thanks. I did wonder about that but seem to recall it saying something about overwriting records? I mean - if it creates a new MBR - will it delete or damage any data on the HDD? (I'm not a techy) .. :)

    cheers
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