Unmountable Disc Volume - Windows 10
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Unmountable Disc Volume - Windows 10
03-09-2015 6:37 PM
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Her laptop which she had upgraded to Win 10 now fails to start due to an unmountable disc volume
This is something I haven't come across before - any advice on the steps to recover
Re: Unmountable Disc Volume - Windows 10
03-09-2015 8:36 PM
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Work out how to boot from it (by pressing a function key that depends on the manufacturer or changing the boot order in BIOS).
Boot from the media and enter your language.
When you get to the Install Windows screen DON'T but select the 'Repair your computer' option at the bottom left of the screen.
Find your way to the Command Prompt option (which is a screen or two in).
When we get to the Command Prompt it will say X:
More to follow in Part 2
Re: Unmountable Disc Volume - Windows 10
03-09-2015 8:56 PM
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Re: Unmountable Disc Volume - Windows 10
03-09-2015 9:04 PM
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Okay, we have booted from a disc/stick and got to the Command Prompt.
The drive lettering under these circumstances differs from normal. C is often the System Reserved partition used for booting and 😧 is the drive on which Windows is installed but your computer manufacturer might have thrown in more partitions that are normally hidden.
In the Command prompt type chkdsk c: /f and press enter. If there is a question answer in the affirmative. Chkdsk should run on the C: partition and finish quickly because it's small.
If you get a message to the effect that the C: partition cannot be found then you are in real trouble.
If chkdsk reports that it fixed anything try restarting the computer (with the bootable media removed).
If not, perhaps repeat the process for the 😧 partition and so on until you run out of partitions.
If the computer still fails to start we move on to using the bootrec tool: https://support.microsoft.com/en-gb/kb/927392 ;
The difference between an installation disk and a recovery disk is that the former lets you install as well as recover and, for most versions of Windows, is not readily available. I always use an installation disk because I need to keep a stock of those anyway and I know not to install when all I need is the recovery options.
Re: Unmountable Disc Volume - Windows 10
03-09-2015 9:12 PM
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Re: Unmountable Disc Volume - Windows 10
03-09-2015 10:26 PM
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Re: Unmountable Disc Volume - Windows 10
03-09-2015 10:39 PM
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I have loads of Windows installation disks
XP, Vista, Win 7 so would it be better to start with one of those
Heck I even have a Bart PE Boot disk
Re: Unmountable Disc Volume - Windows 10
03-09-2015 11:01 PM
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Did your daughter do anything to provoke the problem. I have read about a similar issue that can arise after a Reset if this is done soon after the upgrade. There doesn't seem to be a cure for that one.
Re: Unmountable Disc Volume - Windows 10
03-09-2015 11:24 PM
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Quote from: Oldjim Heck I even have a Bart PE Boot disk
I'd probably go with the Bart.
With luck, all you need to do is do a chkdsk on the partitions to mark them 'clean' and all will be good.
If that doesn't work you're probably going to want a Windows 10 disk/usb and do the start up repair route.
Re: Unmountable Disc Volume - Windows 10
06-09-2015 8:36 AM
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Re: Unmountable Disc Volume - Windows 10
06-09-2015 4:52 PM
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I will pass on your latest suggestions
Re: Unmountable Disc Volume - Windows 10
06-09-2015 8:47 PM
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Provided the problem arose a while after the upgrade then it should be relatively simple to replace the hard drive and reload Windows 10 - if that is what's required.
Re: Unmountable Disc Volume - Windows 10
06-09-2015 10:41 PM
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Once I have done that I will have a play
Thanks for your help
One question - where is the registration data stored as by replacing the hard drive and loading 10 there won't be any record on the laptop and I don't believe that she has a linked Microsoft Account
Re: Unmountable Disc Volume - Windows 10
07-09-2015 7:12 AM
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Edited to remove some extra stuff I now think was wrong.
Re: Unmountable Disc Volume - Windows 10
07-09-2015 9:57 AM
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I will now wait until I get the laptop and see what I can do
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