Windows 10: Inaccessible hdd after cloning and resizing partition

Discus and support Inaccessible hdd after cloning and resizing partition in Windows 10 Network and Sharing to solve the problem; I recently installed a new ssd into my pc and cloned the old hdd to the new ssd. I noticed there was a little bit of allocated space on the hdd so I... Discussion in 'Windows 10 Network and Sharing' started by KianK1, Sep 9, 2023.

  1. KianK1 Win User

    Inaccessible hdd after cloning and resizing partition


    I recently installed a new ssd into my pc and cloned the old hdd to the new ssd. I noticed there was a little bit of allocated space on the hdd so I used minitool to resize it. I then was not able to access the drive and there is a question mark next to it. I want to have my games and programs on the ssd and images and videos on the hdd. What should I do?

    :)
     
    KianK1, Sep 9, 2023
    #1

  2. Macrium Reflect Clone Fails to Boot Resized Partitions

    Hi all,

    I'm having trouble getting a bootable image, cloning from GPT/UEFI and restoring to same GPT/UEFI.

    I needed to clean reinstall for unrelated reasons, and thought I should use the opportunity to switch to GPT/UEFI. I've done the following... The OS works great. But I can't make a working clone that involves resizing. I get to the Windows Logo (which may come from the Windows Boot Manager before it gets to the OS?) But it hangs for a minute and then I get "Inaccessible Boot Device"

    1) Known good hardware: MSI Meg ACE w/3900x, etc. I've been running this for months with no issues.

    2) Known good OS...
    2a) Set Boot to "UEFI Only"
    2b) Booted from USB Windows install media
    2c) Clean Installed Windows 10 Pro (v. 2004, build 19041.388) on 2TB M.2 SSD
    2d) Ran it, tested stuff, installed software, and am typing this on it right now.
    2e) Total used space after installs is about 45GB.

    3) Macrium Reflect backup to non-boot hard drive.

    4) Macrium Reflect restore to known good 240GB external SSD.
    4a) GPT partition and 16MB future use partition copied as-is.
    4b) Nearly 2TB "C:" drive resized using Macrium during restore to shrink it to about 200GB (so it will fit).
    4c) Windows System Restore partition in the same order and size. But it is of course directly after the smaller C: drive so effectively has moved closer to the front.
    4d) NOTE: All of this step 4 is one operation in Reflect... Just describing it in chunks here.

    5) Reboot with boot order set to use external SSD first.

    6) System seems to start to boot, but hangs and shortly gives "Boot Device inaccessible" error.

    Resizing smaller to fit is a pretty common thing as people resize a mostly empty magnetic 2TB boot drive onto a 512GB SSD, so this seemed like a logical thing to try. Is it not expected that this should work?

    Is it because the GPT doesn't get updated with the new size by Macrium? If so, is there a way to fix it?

    I've used this method (minus the resizing because it never came up) with MBR drives and volume licensing to deploy clone OSes to multiple computers... Was hoping to do that with GPT this year if I can work it out.

    Unfortunately, I don't have another 2TB M.2 SSD to try this without the resize step. Any help will be much appreciated.
    Thanks.
     
    HumanJHawkins, Sep 9, 2023
    #2
  3. cereberus Win User
    Macrium Reflect Clone Fails to Boot Resized Partitions

    I cannot say what your issue is but it is not due to partition resizing in UEFI. I do this all the time.

    Boot from your Reflect Recovery usb drive and select link 'fix windows boot problems'. This often sorts issues.
     
    cereberus, Sep 9, 2023
    #3
  4. DayKnight Win User

    Inaccessible hdd after cloning and resizing partition

    Cloned HDD wont boot

    Background: Two partitions on HDD. Bought a new HDD and this is what happened...

    Program I use is Easeus disk copy. It has 2 modes to clone data. Clone disk and clone partition. Whenever I tried the option that only copied the primary/windows partition, I got an error at boot. When I did the whole HDD copy, everything worked like a charm.

    No, I had no important windows files in that second partition. It only had my important files.
     
    DayKnight, Sep 9, 2023
    #4
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Inaccessible hdd after cloning and resizing partition

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