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Unmountable boot volume

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#16
mackemmatt

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Hi

 

The laptop came with Windows 8 pre installed, with an option to upgrade to 8.1 which I did straight away if I recall correctly.

There is a Windows 8 sticker on the base of the laptop but I couldn't find a 25 digit code, only the model and serial numbers.

 

I tried tapping f10 on startup but unfortunately it didn't do anything and only proceeded to the same black screen as before. I have previously been accessing a menu (troubleshooting recovery, bios, boot from usb etc) using an assist button next to the power button. Is this a different function to tapping f10?


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#17
phillpower2

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Sorry for the delay, got sidetracked yesterday  :(

 

As the computer shipped with Windows 8 pre installed the product key should be stored on the BIOS chip meaning that you may not have such a sticker.

 

F10 is what Sony say to tap but your model may differ, see if you can use the assist button to get you to the troubleshooting options then follow the steps from step 8 here if a no go, you may be better to just install a fresh copy of Windows from an ISO.


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#18
mackemmatt

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No problem at all

I tried the recovery steps in the link above but the vaio care rescue window didn't open

Tried multiple times booting from a fresh iso but no luck

At this point I feel there may be little hope for the laptop but I'm extremely grateful for you help in recovering the data.

I think I may try and buy a replacement hard drive and see if that solves the problem.

Just one more thing I'd like to ask. As the hard drive can be accessed through Linux and all the data seems to be uncorrupted, do you think the problem definitely lies with the hard drive itself? Admittedly I don't understand the process involved in booting an iso from a usb, but if the problem was solely with the hard drive should that method not work?

Cheers
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#19
phillpower2

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I think I may try and buy a replacement hard drive and see if that solves the problem.

 

 

Hold off on that as there is nothing conclusive to say that the HDD is bad.

 

Burn a Windows 10 ISO to a DVD disk instead of to a USB, this will cut out any possible problems with UEFI/Legacy Mode.

 

All the steps that you need are here and all that you will need to do is configure the BIOS so that the computer boots from the DVD drive first, any problems with "how to" please let us know.


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#20
mackemmatt

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Hi

 

I followed the steps outlined in your above post and created an ISO on disc using an older working laptop.

 

When trying to startup up using the DVD  however a message appears saying "press any key to boot from CD/DVD.." (which I assume means the ISO disc was created correctly?) then the VAIO logo appears with a loading wheel but just goes straight to a black screen from there. I can hear the disc drive stop reading the disc as the black screen appears.


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#21
phillpower2

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That is odd, can you check the contents of the DVD on your other computer please.

 

What speed did you burn the ISO at, x2 works best for me.


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#22
mackemmatt

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The dvd currently shows 1 file on the disc, Windows 10 ISO (disc image file 3.58Gb)
 
I have the bios settings at boot from optical disc first and boot from external device enabled

EDIT

The pc I used had a default 4x speed I couldn't adjust

Edited by mackemmatt, 14 June 2016 - 03:23 PM.

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#23
phillpower2

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Did you check the contents of the folder.

 

The boot sequence should be DVD drive first, the HDD second and booting from an external device either third or disabled when booting from an internal optical drive.

 

X4 is next best and should result in a clean burn  :thumbsup:


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#24
phillpower2

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Not heard back from you mackemmatt, do you still require assistance or is the issue now resolved, an update would be appreciated.


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#25
FreeBooter

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Create a Windows 10 bootable media with Windows 10 Media Creation Tool.
Reset BIOS setting to factory default.
Boot computer into BIOS setup utility and make sure UEFI mode is enabled and place the USB device to first boot order from the list of bootable devices if Windows 10 is burned to DVD then place optical DVD/CD drive to first bootable place.
Boot computer with Windows 10  bootable media and from Windows Recovery Environment  use Startup Repair tool to repair Windows errors if this tool wont help then start the Command Prompt and type Chkdsk C: /R command to repair C: partition file system and recover data from bad sectors. Replace the C: drive letter with Windows 10 installed partition letter.

When computer boots into Windows Recovery Environment (WinRE) environment the drive letter assign to Windows partition may not be C: drive letter because Windows 7, 8 , 8.1 and 10 creates a separate system partition when it's installed from scratch. The system partition contains boot files WinRE assigns the system partition the C: drive letter and the Windows installed partition will be assign any other drive letter usually D: drive letter is assign to Windows installed partition. The Bcdedit /enum | find "osdevice" command can be use to find out the drive letter of the Windows installed partition the output of the Bcdedit command is similar to this osdevice partition=D:. The drive letter after partition= is the drive letter of the Windows partition.

If Chkdsk command wont resolve the issue execute below command one at time and restart your computer.

 

Bootrec /Fixmbr

 

Bootrec  /FixBoot


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#26
mackemmatt

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Hi

Sorry for the delay in replying, I had to order a new writable DVD.

I've tried multiple times with both usb and DVD and can't seem to get it to boot from either. I'm fairly confident I've followed all the steps be it the BIOS settings for USB or the boot order from disc.

Unfortunately I just can't seem to get to anything other than a blank screen on startup. The only thing that managed to run was the Linux OS you recommended. Is there anything that I can do from within there?

Cheers
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#27
FreeBooter

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How do you create the bootable USB or DVD and where have you downloaded Windows 10 from.


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#28
phillpower2

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Hi

Sorry for the delay in replying, I had to order a new writable DVD.

I've tried multiple times with both usb and DVD and can't seem to get it to boot from either. I'm fairly confident I've followed all the steps be it the BIOS settings for USB or the boot order from disc.

Unfortunately I just can't seem to get to anything other than a blank screen on startup. The only thing that managed to run was the Linux OS you recommended. Is there anything that I can do from within there?

Cheers

 

As a quick check of your DVD ISO, configure your other computer to boot from the DVD drive, insert the ISO into the DVD drive then restart the computer to see if you get a "press any key to boot from disk" message, if you do remove the ISO, shut down the computer and post back here with an update for us.


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#29
mackemmatt

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How do you create the bootable USB or DVD and where have you downloaded Windows 10 from.

 

https://www.microsof...nload/windows10

 

I then just followed the instructions in the creator tool before sending to USB or writing to DVD

 

 

 

Hi

Sorry for the delay in replying, I had to order a new writable DVD.

I've tried multiple times with both usb and DVD and can't seem to get it to boot from either. I'm fairly confident I've followed all the steps be it the BIOS settings for USB or the boot order from disc.

Unfortunately I just can't seem to get to anything other than a blank screen on startup. The only thing that managed to run was the Linux OS you recommended. Is there anything that I can do from within there?

Cheers

 

As a quick check of your DVD ISO, configure your other computer to boot from the DVD drive, insert the ISO into the DVD drive then restart the computer to see if you get a "press any key to boot from disk" message, if you do remove the ISO, shut down the computer and post back here with an update for us.

 

 

Just tried the DVD on the older working laptop and received the "press any key to boot from disk" message


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#30
phillpower2

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Proves that your ISO is good at least.

 

Just tried the DVD on the older working laptop and received the "press any key to boot from disk" message

 

 

Please confirm whether or not you still get the same message on the computer that has issues.

 

You have your data backed up and an ISO to hand so can I ask if you would be prepared to completely wipe the HDD of all present data and then try to install Windows on a clean HDD.

 

JAFYI: If Windows will still not install after wiping it clean it does point towards mechanical failure of some sort. 


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