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Unmountable Boot Volume

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How to fix the “Unmountable Boot Volume” error.


I have a Gateway Laptop Model MX 6121 that’s quite a few years old (I’m not sure exactly but it’s definitely more than 7 years old).

Recently I have encountered the error screen “Unmountable Boot Volume” that prevents me from booting my computer.

I’ve read numerous solutions and the closest I’ve come to solving the problem involved downloading a Windows XP ISO and creating a boot disk. I boot from the disk and once the program has finished loading I get a screen that says this:


The following list shows the existing partitions and unpartitioned space on this computer.


Use the UP and DOWN ARROW keys to select an item in the list.

            To set up Windows XP on the selected item, press enter.

            To create a partition in the unpartitioned space, press C.

            To delete the selected partition, press D.


38155 MB Disk 0 at Id 0 bus 0 on atapi [MBR]

C: Partition1 [Unknown]                         38146 MB <38146 MB free>

Unpartitioned Space                                8 MB


I choose “C:” and I hit enter. Then I get to a screen that says this:


An error occurred while Setup was updating partition information on:

38155 MB Disk 0 Id 0 on bus 0 on atapi [MBR].

Setup cannot continue. To quit Setup, press F3.


There are no other options so I press F3 and I get to one final screen:


Windows XP has not been installed on this computer. If there is a floppy disk in drive A:, remove it.  To restart your computer press enter.


Windows XP has been installed on the computer so I don’t understand that final message. Do I need to buy a hard drive repair program? Should I buy an actual Windows XP installation disc? Or are there other ways to fix the problem?

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