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UNMOUNTABLE BOOT VOLUME


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11 replies to this topic

#1 fpsa_ahmed

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Posted 06 July 2009 - 12:24 PM

Hi Guys,

I have a:

Dell Dimension 8250
Windows XP Professional SP3
Intel® Pentium® 4 CPU 2.40 GHz
768 MB of RAM

Nothing new was installed or anything, one night it was giving us problems so we restarted it and it gave us a BSOD that said UNMOUNTABLE_BOOT_VOLUME. I tired another restart and when I did it came up with a msg before loading windows that said "Alert! System Voltage Low". I searched online for what to do and found out that the BIOS battery need replacement. I replaced it and the computer started up good. It went on to do a system scan and found a few bad sectors that were "restored"? I wanted to see if the hardrive is in a good shap or if it needs replacement.

Please let me know your thoughts and how to check the hardrive if there are anymore problems that it has. I ran a MBAM scan and it didnt find anything. Windows runs now good.

Thank you!

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#2 hamluis

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Posted 06 July 2009 - 12:35 PM

Run the chkdsk /r command on the boot partition/drive.

Since you can boot into XP...Start/Run...type chkdsk /r (with space between k and /) and hit Enter. Answer Y to query and hit Enter. Reboot system and let the command complete (system will boot into XP when done).

Unmountable boot volume errors are pretty common, running chkdsk /r normally handles it.

Unmountable Boot Volume - http://support.microsoft.com/kb/555302

Louis

#3 fpsa_ahmed

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Posted 07 July 2009 - 04:53 PM

Hey hamluis,

Thank you for your input. The computer crashed last night again after I ran chkdsk /r. I am running another chkdsk /r now and it says:

"Windows replaced bad clusters in file \Folder\Folder1\File of name (null)."

on 2 files so far. It is 7% complete.

Let me know your thoughts if you can think of the source of the problem!

Thank You!

#4 hamluis

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Posted 07 July 2009 - 05:19 PM

Let it run...chkdsk /r is supposed to move files from bad clusters to new locations on the hard drive :thumbsup:.

You may have a lot of bad sectors so it could be time-consuming...but let it run.

Louis

#5 fpsa_ahmed

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Posted 07 July 2009 - 05:47 PM

It got done and it had about 6-7 files in the list. I did another one and it is scanning again so far im at 20 % and no files detected. Are bad sectors always gonna be there or can they be fixed? Should I get a new harddrive?

#6 hamluis

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Posted 07 July 2009 - 06:48 PM

Unlike many persons...I don't consider bad sectors a cause for panic. I've run drives with such, with no failure or loss of data.

Bad Sectors On Hard Drives - http://www.pcstats.com/articleview.cfm?art...1583&page=3

http://www.tech-faq.com/bad-sector.shtml

I will add...the fact that there is a tool in XP to recover such...should indicate that it's not necessarily time for "The sky is falling" syndrome, IMO.

http://en.wikipedia.org/wiki/Bad_sector

But continued bad sectors can be an indication of physical damage to the drive, as opposed to something much less to be feared.

FWIW: It's always wise to have various spare computer parts: hard drive, mouse, keyboard, NIC (IMO).

Louis

#7 fpsa_ahmed

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Posted 07 July 2009 - 08:01 PM

After the last chkdsk finished and restarted now the computer is stuck at the boot menu (like when you press F8) and doesnt move. If you choose a selection it stop the seconds counter at the bottom and doesnt go any where.

Any suggestions?

Thanks for your help.

#8 hamluis

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Posted 07 July 2009 - 08:25 PM

Reboot, tell us what happens.

Louis

#9 fpsa_ahmed

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Posted 08 July 2009 - 08:59 AM

Now its giving me:

WINDOWS/SYSTEM32/CONFIG/SYSTEM
FILE IS MISSING OR CORRUP.

=\ !!!

I think I should just replace the harddrive..... Let me know your thoughts!

#10 hamluis

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Posted 08 July 2009 - 11:04 AM

I always run a hard drive manufacturer's diagnostic on a drive...before I consider replacing it. These are available at the respective website of various hard drive manufacturers.

Hard Drive Installation and Diagnostic Tools - http://www.bleepingcomputer.com/forums/t/28744/hard-drive-installation-and-diagnostic-tools/

Louis

#11 fpsa_ahmed

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Posted 09 July 2009 - 03:48 PM

The harddrive doesn't even work as slave now....
I bought a new WD hardrive and I am installing everything over again.

Thanks for your help hamluis. Please close the topic.

#12 hamluis

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Posted 09 July 2009 - 04:45 PM

Easily done, happy computing :thumbsup:.

Louis




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