Windows 10: Windows 10 Update can't update system reserved partition Solved

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  1.    17 Sep 2015 #41

    rittercon said: View Post
    Yes- Navy: I understand. Thank you for your help and guidance (and everyone else, too!).

    Took a chance and extended the 100MB EFI system partition by "borrowing" 253MB from the 1GB Recovery partition, which showed only 391MB being used. MiniTool did this very quickly and easily. The EFI system partition now shows 353MB total, with 259MB unused.
    and I apologize for not seeing that sooner. I am used to seeing a disk layout of EFI System Reserved Boot Partition, followed by the big partition that is the Windows system, followed by the recovery partition at the end. Yes, the simple, three sentence solution was staring us in the face the whole time (with one adjustment) - shrink the recovery partition. Add the free space to the System Reserved Partition (EFI boot). Reboot.
      My ComputerSystem Spec

  2. Slartybart's Avatar
    Posts : 3,506
    Win_8.1-Pro, Win_10.1607-Pro, Mint_17.3
       17 Sep 2015 #42

    As I said "This is an interesting issue"

    The disk schema is UEFI/GPT, but the firmware is BIOS (InsydeH20 Rev 3.7, with BIOS) - a hybrid setup that made me ask a lot of questions. I initially thought the machine was UEFI, based on the disk schema. The Diskpart information Don provided helped a lot. The PartWiz information might have confused some things - PW reports things a little differently than Disk Mgmnt or Diskpart.

    Note that the Diskpart (the definitive source) output shows no part as active.

    Can you set a GPT partition as active - yes, but it must be of type basic. It is only a flag that says this is where the system file might be and is not required for UEFI firmware to boot.

    On basic disks, marks the partition with focus as active.
    This informs the basic input/output system (BIOS) or Extensible Firmware Interface (EFI) that the partition or volume is a valid system partition or system volume.

    Only partitions can be marked as "active."

    DiskPart verifies that only the partition is capable of containing an operating system's startup files. DiskPart does not check the contents of the partition. If you mark a partition as "active" and it does not contain the operating system's startup files, your computer might not start.

    Anyway, I learned a bit and other things were confirmed - thanks Don, NavyLCDR and topgundcp
      My ComputerSystem Spec

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