Not booting after merging non allocated space with c drive-Windows 10

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  1. Posts : 47
    windows10 pro
    Thread Starter
       #21

    dalchina said:
    MBR- see my post #5. Read all about it. That's what PCs used for many years (and many still do of course) but new ones now use the more robust UEFI/GPT system supporting the use of larger drives and more partitions.

    Your Windows will be installed using MBR if that's your only BIOS option. If UEFI is not available on your PC you can't have or us it.

    Put another way - if yours is more than about 5 years old, you have a MBR system.

    You can see 'MBR' in your photos.
    Thank you, My laptop is for sure MBR then,its more than 5 years old.

    - - - Updated - - -

    Pejole2165 said:
    The OP keeps mentioning formatting and partitioning the drive, if installing Windows clean, at setup choose advanced and select each exisiting partition on new drive and delete till you have a blank disk, then continue with install, Windows setup will create any partitions it needs depending on BIOS type. This would be better than trying to set the disk up first.
    If using Macrium or similar app to image original boot disk, choose the option "image partitions needed to boot Windows" or similar option. When applying the image to new disk, same as with Windows setup, do not make partitions beforehand, drag partitions onto new blank disk. Once image is applied and you can boot from the disk use Windows disk management to expand C:\ partition into non allocated space if any exists.
    These methods should give the best chance of success.
    Anyone have other ideas?
    So, without knowing, actually i done the same thing what you mentioned, only thing instead of windows disk management i used Acronis imaging software to extand the c drive to the un allocated space! What went wrong then?
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  2. Pejole2165's Avatar
    Posts : 747
    Windows 10 Pro 1909
       #22

    From your photo's you seem to have a system reserved partition marked as "active", that seems wrong, so I don't think the expansion of C:\ into spare space was what caused the issue.
    Also why did you use a third party app to extend the partition instead of Windows disk management? Just curious, don't think it caused the problem.
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  3. Posts : 47
    windows10 pro
    Thread Starter
       #23

    Pejole2165 said:
    From your photo's you seem to have a system reserved partition marked as "active", that seems wrong, so I don't think the expansion of C:\ into spare space was what caused the issue.
    Also why did you use a third party app to extend the partition instead of Windows disk management? Just curious, don't think it caused the problem.
    Thank you, sorry for late response, thought the system reserved partition to be active thinking that contains the boot files!! I didn't now before through windows disk management i can exten the partition.

    which partition to be active?
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  4. Pejole2165's Avatar
    Posts : 747
    Windows 10 Pro 1909
       #24

    If it is MBR (not UEFI) C:\ should be active (as that is the partition you want to boot from), if UEFI then no partition is marked active as the small UEFI partition contains the boot files which calls the boot manager which could in theory be on any disk. Do you have a Macrium boot flash drive or CD/DVD you can boot from, if so you could always try its "Fix Boot" option.
    Another point, each partition is given an identifier when created, a long alphanumeric id, boot partitions have a specific id, its possible your C:\ drive has the wrong id (at least UEFI partitions have this id), its possible to change the disk id through command, there are tutorials on these forums I believe on how to do this.
    Someone else might jump in here and give you a brief on how to check the id and change it if needed.
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  5. Posts : 47
    windows10 pro
    Thread Starter
       #25

    Pejole2165 said:
    If it is MBR (not UEFI) C:\ should be active (as that is the partition you want to boot from), if UEFI then no partition is marked active as the small UEFI partition contains the boot files which calls the boot manager which could in theory be on any disk. Do you have a Macrium boot flash drive or CD/DVD you can boot from, if so you could always try its "Fix Boot" option.
    Another point, each partition is given an identifier when created, a long alphanumeric id, boot partitions have a specific id, its possible your C:\ drive has the wrong id (at least UEFI partitions have this id), its possible to change the disk id through command, there are tutorials on these forums I believe on how to do this.
    Someone else might jump in here and give you a brief on how to check the id and change it if needed.
    Thank you so much, you are right! Just i checked the snap shot i took which shows c drive not as marked active! I will try to change that by connecting the hard drive to another computer, I don't have a Macrium boot flash drive!! How to get that pls?
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  6. Pejole2165's Avatar
    Posts : 747
    Windows 10 Pro 1909
       #26

    If you install Macrium Free on a working computer you can create a rescue USB from the Other Tasks menu option. Check options for creating either an MBR or MBR/UEFI USB, whichever is right for your PC then boot the problem PC with the USB and in the menu options is "Fix Boot Issues", give it a try.
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  7. Posts : 47
    windows10 pro
    Thread Starter
       #27

    Pejole2165 said:
    If you install Macrium Free on a working computer you can create a rescue USB from the Other Tasks menu option. Check options for creating either an MBR or MBR/UEFI USB, whichever is right for your PC then boot the problem PC with the USB and in the menu options is "Fix Boot Issues", give it a try.

    Thank you, Just took another snap shot of the drive by attaching it to another computer,F and G are the drive, 930GB G drive is active,but it says not formated??

    Macrium software after i copy in usb ,how it boot from the non working computer(system automatically understand that and boot from the usb ?) or we have to change the setting in bios? because my system not going to bios at all!!Not booting after merging  non allocated space with c drive-Windows 10-20200222_012618.jpg
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