Cannot import edited Registry hive

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  1. Posts : 418
    Win10 32bit v20H2
    Thread Starter
       #31

    It is obvious to me that re-installing Windows and then the driver would establish the validity of the driver. But I have no reason to doubt its validity. I have every reason to believe that some corruption in software (in the Registry ?) is preventing Device Manager from accepting the driver as adequate. The driver enables functioning in a x64 system - so it is OK; it NO LONGER works in x32, which is where I NEED it to work.
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  2. Posts : 23,631
    Win 10 Home ♦♦♦19045.4529 (x64) [22H2]
       #32

    Sebastian42 said:
    It is obvious to me that re-installing Windows and then the driver would establish the validity of the driver. But I have no reason to doubt its validity. I have every reason to believe that some corruption in software (in the Registry ?) is preventing Device Manager from accepting the driver as adequate. The driver enables functioning in a x64 system - so it is OK; it NO LONGER works in x32, which is where I NEED it to work.


    Then it sounds like you need a 32 bit driver, or 64 bit Windows. ^^

    What's the make/model of the scanner?
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  3. Posts : 418
    Win10 32bit v20H2
    Thread Starter
       #33

    Yes that is what I need and HAVE - that driver made the scanner work in x32 for years
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  4. Posts : 17,040
    Windows 10 Home x64 Version 22H2 Build 19045.4170
       #34

    Sebastian42 said:
    the trial I want to do is to clear the registry of references to the optical, scanner; reinstall the original scanner and see if that now works.
    Then either

    1 Edit your copy of the Registry hive using the method you described earlier,
    boot with a Windows installation disk, Macrium boot disk or any other boot disk that has a command prompt,
    and copy the hive back into position as recorded at
    HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\hivelist
    then reboot normally.

    or

    2 Boot with a Windows installation disk, Macrium boot disk or any other boot disk that has a command prompt,
    Windows Tip Edit User Registry of other users - gHacks Tech News
    Edit Classes-Registry of other users - Stack Overflow
    my example of using an offline Registry hive in RegEdit - TenForums
    Windows registry information for advanced users - MSSupport
    The Registry hive list is at HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\hivelist


    Best of luck,
    Denis
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  5. Posts : 418
    Win10 32bit v20H2
    Thread Starter
       #35

    Denis - that sounds promising

    'Boot with a Windows Installation disk' - can a windows ten upgrade USB be used for that ?

    Macrium boot disk - can I use a USB ?
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  6. Posts : 17,040
    Windows 10 Home x64 Version 22H2 Build 19045.4170
       #36

    Sebastian42 said:
    'Boot with a Windows Installation disk' - can a windows ten upgrade USB be used for that ?
    You can use the Windows installation USB created by using the procedure in Create Bootable Installation USB - TenForumsTutorials
    I have never heard of an "upgrade" USB and I do not think such a term exists.

    Sebastian42 said:
    Macrium boot disk - can I use a USB ?
    Yes, just like everybody else does.
    Macrium Reflect Boot disk - Fix Boot Problems - MacriumReflectKB
    Use Macrium Reflect Rescue Media to Fix Windows Boot Issues - TenForumsTutorials


    Denis
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  7. Posts : 418
    Win10 32bit v20H2
    Thread Starter
       #37

    I have tried to make a 'recovery USB for Win 10', but am told because files are missing it can not be done.

    As for the upgrade USBs, I can just TRY to see if they will boot; and if one will, if I can try to access the command prompt.

    I suspect I already have what your 'Create Bootable Installation USB - TenForumsTutorials' - would create. Will try it first.
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  8. Posts : 17,040
    Windows 10 Home x64 Version 22H2 Build 19045.4170
       #38

    I never mentioned a 'Recovery USB'
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  9. Posts : 418
    Win10 32bit v20H2
    Thread Starter
       #39

    Correct - but Google does prompt it, and I do not know the subtle differences.

    My v22H2 upgrade USB DOES offer a Command Prompt after several appropriate steps.
    Now the challenge of the TWO names - and using the correct one, to put back into the registry that requires editing.

    - - - Updated - - -

    The point has been made that I cannot 'import' a reg file into Registry, unless As Administrator, but HOW is that elevated level achieved in the Command Prompt offered by a USB stick ?

    AND

    I have put the edited .reg file on the root of the drive to which it is destined. HOW do I specify in the comnmand prompt where the .reg is ?
    Last edited by Sebastian42; 12 Jun 2023 at 05:55.
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  10. Posts : 4,667
    several
       #40

    My v22H2 upgrade USB DOES offer a Command Prompt
    when booted into winpe, you will be in system account, so you should be able to import the reg file.

    after loading the hive

    in winpe at cmd prompt type:

    notepad

    then when notepad opens click File >Save and you can use that dialog to browse to your usb stick, then rt clcik the reg file, select merge
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