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Windows 8.1 stuck in startup bootloop with various error codes

Anonymous
2018-08-25T02:18:37+00:00

Hi there,

Major problems here. I'm not a techie so please keep it simple.

My toshiba sat P840t (windows 8.1 64bit) is stuck in a bootloop with various errors coming up. Since moving countries I have lost both the installation discs and product key.

I have access to the UEFI settings and have bought recovery software which gives me access to the Diagnostics and Recovery Toolset (DaRT), but so far everything I've tried comes up with further problems.

The laptop wont reset due to being unable to find a partition.

Can't refresh it either as "drive where windows is installed is locked".

Recovery disc option also just loops. 0xc0000225 error

System restore only gives me two very recent restore dates and then returns the error 0x80070005

I'm wondering if the best solution is to buy new 8.1 ios software and try to uninstall then reinstall it? However I will also need instructions how to do this with the above limited options available.

Windows for home | Previous Windows versions | Performance and system failures

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  1. Anonymous
    2018-08-28T08:15:54+00:00

    Reinstalling from the Toshiba recovery partition does just that.

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  2. Anonymous
    2018-08-25T06:28:48+00:00

    I can get to the startup recovery menu no problem, and ran the "auto repair" option a number of times but no joy. Also the "reset your pc" option returns "unable to reset. A required drive partition is missing"'.

    I'll see if I can make an 8.1 ios software disk from the free downloads on the microsoft website, but I have to get to another computer as I dont have another one readily available.

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  3. Anonymous
    2018-08-25T06:21:21+00:00

    Let me know how you get on with it.

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  4. Anonymous
    2018-08-25T04:18:46+00:00

    Thanks very much for the fast and detailed reply Bill. I'll give it a go.

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  5. Anonymous
    2018-08-25T02:40:21+00:00

    There was no need to buy anything:

    See if this assists you with your Repair options.

    You can use the power button to restart your computer three times. This will start the Windows Recovery Environment.

    "How To Access Advanced Startup Options in Windows 8 or 8.1"

    http://pcsupport.about.com/od/windows-8/a/open-advanced-startup-options-windows-8.htm

    "How to Boot to Advanced Startup Options in Windows 8 and 8.1"

    http://www.eightforums.com/tutorials/4935-startup-options-menu-boot-windows-8-a.html

    There is detailed information here too.

    http://www.eightforums.com/tutorials/2843-automatic-repair-run-windows-8-a.html

    ______________________________________________

    And please read this method:

    "How to Boot to "System Recovery Options" in Windows 8 and 8.1"

    http://www.eightforums.com/tutorials/2269-system-recovery-options-boot-windows-8-a.html

    @@@@@@@@@@@@@@@@@@@@@@@@

    If you need Media for Refresh and/or to reinstall, read this information.

    You can contact the Laptop/Computer Manufacturer and order Recovery Media from them for a small cost.

    You can download and create your own Windows 8.1 Installation Media to reinstall the Operating System with..

    "Create installation media for Windows 8.1"

    http://windows.microsoft.com/en-us/windows-8/create-reset-refresh-media

    A similar Tutorial which may also assist you

    "Create Installation Media for Windows 8.1"

    http://winsupersite.com/windows-8/create-installation-media-windows-81

    In the first screen of this very simple wizard, you need to choose the following:

    Language. English – en-us if you're in the United States.

    Edition. Windows 8.1 (Core), Windows 8.1 N, Windows 8.1 Pro, Windows 8.1 Pro N, or Windows 8.1 Single Language.

    Architecture. 64-bit (x64 ) or 32-bit (x86).

    _______________________________________

    "How to Create a Bootable USB or DVD with a Windows 8 or 8.1 ISO"

    http://www.eightforums.com/tutorials/2227-create-bootable-usb-dvd-windows-8-iso.html

       Warning

    This will not work to install Windows 8 or 8.1 for UEFI. For that, see this tutorial below instead.

    UEFI Bootable USB Flash Drive - Create in Windows

    _____________________________________

    With Windows 8/8.1 The Product Key on preinstalled Operating Systems (HP, Acer, etc) is embedded in the BIOS in the Motherboard, so that the lost and/or worn C.O.A. Sticker problem is no more.

    When you reinstall it will pick up the Product Key and activate the system automatically.

    If it does not, follow these steps:

    "How to Activate Windows 8 and 8.1 by Phone"

    http://www.eightforums.com/tutorials/24636-activate-windows-8-phone.html

    "Get help with activation errors"

    http://windows.microsoft.com/en-us/windows-8/activation-errors

    "How to activate a Microsoft product by using Microsoft Product Activation Center"

    http://support.microsoft.com/kb/950929/en-us

    _______________________________________________

    This information may interest you if you do wish to keep a record of it:

    "Windows 10 Embedded Product Key Tool"

    https://neosmart.net/blog/2014/windows-10-embedded-product-key-tool/

    "We’re proud to introduce the immediate release of our newest utility for Windows users: the NeoSmart Technologies Embedded Product Key Tool. Designed for users of Windows 7, Windows 8, and Windows 10, our embedded product key tool will retrieve and display the Windows setup product key embedded in the BIOS or EFI, allowing you to store it for safe-keeping or use it to reinstall Windows with an official Windows setup image."

    Cheers.

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